CN207037008U - Insulating check instrument and insulating check system - Google Patents
Insulating check instrument and insulating check system Download PDFInfo
- Publication number
- CN207037008U CN207037008U CN201720596466.1U CN201720596466U CN207037008U CN 207037008 U CN207037008 U CN 207037008U CN 201720596466 U CN201720596466 U CN 201720596466U CN 207037008 U CN207037008 U CN 207037008U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- insulating check
- check instrument
- output end
- 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
- 238000007639 printing Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000003750 conditioning effect Effects 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 16
- 238000009413 insulation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model provides a kind of insulating check instrument and insulating check system; the insulating check instrument includes microprocessor, circuit protection module, signal conditioning circuit, data-printing module, wireless communication module and resistance regulation circuit and resistance gate array, the microprocessor for realizing the regulation of resistance gear and is integrated with A/D converter.The microprocessor is electrically connected with resistance regulation circuit, the circuit protection module, the data-printing module and the wireless communication module; the circuit protection module electrically connects with the resistance gate array, and the signal conditioning circuit electrically connects with the A/D converter.The utility model can effectively improve the security in insulation monitoring and warning device checking procedure, shorten checking time, improve operating efficiency, meanwhile, the insulating check instrument is more intelligent, miniaturization, strong applicability.
Description
Technical field
Electric power detection device technical field is the utility model is related to, in particular to a kind of insulating check instrument and insulation
Check system.
Background technology
Study and find through inventor, in the prior art without special insulating monitor calibration equipment, generally require two people
Even more people are directly grounded by the resistance box or metalfilmresistor of different resistances with DC power system, then use universal meter
Measured resistance both end voltage is measured, is alerted by insulation monitoring and warning device and shows grounding resistance, branch road number, passes through each branch
The accuracy of road test for ground checking insulating monitor, therefore, not only taken in the test of one insulation monitoring and warning device of completion
Length, security are poor, and degree of intelligence is low, operation inconvenience.
Utility model content
In view of this, the utility model provides a kind of insulating check instrument and insulating check system, by insulating check
The ingehious design of instrument, convenience, security during insulating check, and the insulating check instrument intellectuality journey can be effectively improved
Degree is high, small volume.
To achieve the above object, the utility model provides following technical scheme：
A kind of insulating check instrument, the insulating check instrument include microprocessor, circuit protection module, signal conditioning circuit,
Data-printing module, wireless communication module and resistance regulation circuit and resistance gate array for realizing the regulation of resistance gear,
The microprocessor is integrated with A/D converter；
The microprocessor and resistance regulation circuit, the circuit protection module, the data-printing module and institute
State wireless communication module to be electrically connected, the circuit protection module electrically connects with the resistance gate array, the signal condition
Circuit electrically connects with the A/D converter.
In the selection of the utility model preferred embodiment, the resistance regulation circuit includes shift adjusting circuit and reset
Circuit, the shift adjusting circuit include the first regulation circuit and the second regulation circuit；
First regulation circuit, the second regulation circuit and the reset circuit are electrically connected with the microprocessor respectively
Connect, the first regulation circuit is used to export with increasing resistance value, and the second regulation circuit is used to export with reducing resistance value.
In the selection of the utility model preferred embodiment, the first regulation circuit is pressed including first resistor and first
Key, the second regulation circuit include second resistance and the second button, and the reset circuit includes 3rd resistor and the 3rd button；
The first resistor is electrically connected with the microprocessor and first button, the second resistance with it is described
Microprocessor and second button are electrically connected, and the 3rd resistor is distinguished with the microprocessor and the 3rd button
Electrical connection, and first button, the second button and the 3rd button ground connection.
In the selection of the utility model preferred embodiment, the resistance gate array includes multiple resistance branch, Duo Gesuo
State resistance branch to be arranged in parallel, the resistance branch includes the 4th resistance and first switch, the first switch and the circuit
Protection module and the 4th resistance are electrically connected, and pass through the 4th resistance eutral grounding.
In the selection of the utility model preferred embodiment, the resistance gate array also includes voltmeter, the voltmeter
It is arranged in parallel in the multiple resistance branch, for measuring the magnitude of voltage in the multiple resistance branch.
In the selection of the utility model preferred embodiment, the signal conditioning circuit includes bleeder circuit and amplification electricity
Road；
The output end of the bleeder circuit is connected with the input of the amplifying circuit, the output end of the amplifying circuit with
The A/D converter electrical connection.
In the selection of the utility model preferred embodiment, the bleeder circuit includes the 5th resistance, the 6th resistance, the 7th
Resistance, the 8th resistance, the first magnetic bead and the second magnetic bead；
The output end of 5th resistance is electric respectively with the input of the input of the 6th resistance and seven resistance
Connection, the output end of the 6th resistance and the input of the 8th resistance are grounded respectively, the output end of the 7th resistance
Electrically connected with the input of first magnetic bead, the output end of the 8th resistance and the input of second magnetic bead are electrically connected
Connect, the output end of the output end of first magnetic bead and second magnetic bead electrically connects with the amplifying circuit respectively.
In the selection of the utility model preferred embodiment, the amplifying circuit includes operational amplifier, the 9th resistance, the
Ten resistance, diode and electric capacity；
The in-phase input end of the operational amplifier electrically connects with the output end of second magnetic bead, reverse input end and institute
State the output end electrical connection of the first magnetic bead, the input of the 9th resistance electrically connects with the output end of the operational amplifier,
Output end is electrically connected with the input of the tenth resistance and the input of diode, the output end of the tenth resistance with
The A/D converter and the electric capacity are electrically connected.
In the selection of the utility model preferred embodiment, the data-printing module is stylus printing module.
A kind of insulating check system, the insulating check system includes control terminal and above-mentioned insulating check instrument, described
Insulating check instrument and the control terminal communication connection.
Compared with prior art, in insulating check instrument provided by the utility model and insulating check system, adjusted by resistance
Economize on electricity effective cooperation of road and microprocessor, can the prefabricated resistance value of intelligent selection, and then by data-printing module and
Wireless communication module realizes monitoring, the control to check results so that the insulating check instrument is more intelligent, miniaturization.Simultaneously.
Security of the insulating check instrument in checking procedure can be effectively improved, shortens checking time, strong applicability.
Further, the present embodiment can be avoided effectively in actual measurement process by using signal conditioning circuit, adopted
The problem of microprocessor caused by the excessive grade of sample magnitude of voltage damages.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the frame structure schematic diagram for the insulating check instrument that the utility model embodiment provides.
Fig. 2 is another frame structure schematic diagram for the insulating check instrument that the utility model embodiment provides.
Fig. 3 is the frame structure schematic diagram that the resistance that the utility model embodiment provides adjusts circuit.
Fig. 4 is another structural representation that the resistance that the utility model embodiment provides adjusts circuit.
Fig. 5 is the electrical block diagram for the circuit protection module that the utility model embodiment provides.
Fig. 6 is the structural representation for the resistance gate array that the utility model embodiment provides.
Fig. 7 is the electrical block diagram for the signal conditioning circuit that the utility model embodiment provides.
Fig. 8 is the frame structure schematic diagram for the power module that the utility model embodiment provides.
Fig. 9 is the frame structure schematic diagram for the insulating check system that the utility model embodiment provides.
Icon：10- insulating check systems；100- insulating check instrument；110- microprocessors；112-A/D converters；120- hinders
Value regulation circuit；122- shift adjusting circuits；1220- first adjusts circuit；1222- second adjusts circuit；124- reset circuits；
126- gear output circuits；130- circuit protection modules；132- optical coupling isolation circuits；134- protection circuits；140- resistance gate arrays
Row；142- resistance branch；144- voltmeters；150- data-printing modules；160- wireless communication modules；170- signal conditions electricity
Road；172- bleeder circuits；174- amplifying circuits；180- power modules；182- dc sources；184- second switches；186- is exchanged
Power supply；200- controls terminal.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Generally retouched here in accompanying drawing
The component of the utility model embodiment stated and shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Of the present utility model
In description, term " first, second, third, fourth etc. is only used for distinguishing description, and it is not intended that being or implying relatively heavy
The property wanted.
In description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment provides a kind of insulating check instrument 100, for realizing direct current
To the verification of D.C. isolation monitoring device in power-supply system.The insulating check instrument 100 includes microprocessor 110, resistance regulation electricity
Road 120, circuit protection module 130, resistance gate array 140, data-printing module 150, wireless communication module 160 and signal condition
Circuit 170, A/D converter 112 is integrated with the microprocessor 110.Wherein, the microprocessor 110 is adjusted with the resistance
Economize on electricity road 120, the circuit protection module 130, the data-printing module 150 and the wireless communication module 160 electricity respectively
Connection, the circuit protection module 130 electrically connect with the resistance gate array 140, the signal conditioning circuit 170 and the A/
D converters 112 electrically connect.
Further, core control portions of the microprocessor 110 as the insulating check instrument 100, are realized to this
The overall control of insulating check instrument 100, to cause the insulating check instrument 100 more intelligent.For example, the microprocessor
110 operate according to the gear regulation of the resistance regulation circuit 120 detected, realize and automatically adjust work(to resistance gear
Can, or data-printing output etc. is carried out according to the data-printing instruction detected.
During actual implementation, processor, memory, timer etc. are may also include in the microprocessor 110, so as to further
Realize the intelligentized control method to the insulating check instrument 100.Alternatively, the particular type of the microprocessor 110 can be according to reality
Border situation is flexibly selected, and is not limited herein.
Further, Fig. 3 is please referred to, the resistance regulation circuit 120 includes shift adjusting circuit 122, resets electricity
Road 124, gear output circuit 126, the shift adjusting circuit 122, reset circuit 124, gear output circuit 126 respectively with institute
Microprocessor 110 is stated to electrically connect.Wherein, the shift adjusting circuit 122 includes the first regulation regulation electricity of circuit 1220 and second
Road 1222.It is described first regulation circuit 1220, it is described second regulation circuit 1222 and the reset circuit 124 respectively with it is described micro-
Processor 110 electrically connects, and the first regulation circuit 1220 is used to export with increasing resistance value, the second regulation circuit 1222
For exporting with reducing resistance value, the reset circuit 124 is used for the reset for realizing whole resistance gear, and current gear is reduced
To initial pattern.The gear output circuit 126 is used for the resistance gear currently employed in checking procedure is defeated in real time
Go out, the resistance gear currently selected so as to facilitate staff intuitively, fast to understand.It should be noted that the shift adjusting circuit
122nd, be arranged in parallel between reset circuit 124, gear output circuit 126, each between function can be implemented separately.
Alternatively, the embodiment of the resistance regulation circuit 120 has a variety of, as shown in figure 4, this implementation gives one kind
Resistance adjusts the embodiment of circuit 120.Wherein, the first regulation circuit 1220 is by first resistor R1 and the first button
S1 is formed, and the second regulation circuit 1222 is made up of second resistance R2 and the second button S2, and the reset circuit 124 is by the 3rd
Resistance R3 and the 3rd button S3 is formed, and the gear output circuit 126 is made up of resistance R4 and button S4, wherein, described first
Resistance R1, second resistance R2,3rd resistor R3 and resistance R4 are 10K, are needing to carry out the regulation of output resistance gear, output etc.
During operation, it need to only be completed by corresponding button.For example, increasing output resistance by the first button S1 of click, pass through a little
That hits the second button S2 subtracts big output resistance, realizes that gear resets by clicking on the 3rd button S3, by click keys S4
Realize that gear exports, and the first button S1, the second button S2, the 3rd button S3 and the button S4 connect
Ground.The button can be mechanical key or mechanical switch etc., and specifically, the present embodiment is not limited herein.
In addition, it is arranged in parallel between the shift adjusting circuit 122, reset circuit 124, gear output circuit 126
Electrically connected respectively with power end V1 and earth terminal GND, in the present embodiment, the power end V1 can access the power supply that voltage is 5V.
It should be understood that the specific implementation form and circuit connecting relation of the resistance regulation circuit 120 are not limited herein, can
Flexibly set according to the actual requirements.
Further, the circuit protection module 130 has the function that overcurrent protection in the present embodiment, before protection
Level circuit, in the present embodiment, the circuit protection module 130 can use electromagnetic relay.For example, can be Taiwan remittance section
Relay, its contact capacity have exchange 250V/10A and direct current 30V/10A both of which, are provided with high level triggering mode and low
Level triggering mode, power supply, which is provided with positive electricity, tri- kinds of selections of 5V, 12V, 24V etc..In addition, pass through per road working condition
LED state is indicated, for example, relay adhesive is lighted.
Alternatively, so that the circuit protection module 130 is relay protection module as an example, the present embodiment is touched using low level
Originating party formula, as shown in figure 5, wherein, the circuit diagram includes optical coupling isolation circuit 132 and protection circuit 134, resistance R5, resistance R6
, resistance R7, resistance R8 resistance be 2K, the working power V2 of optical coupling isolation circuit 132 is 5v, the protection circuit
134 working power V3 is 0V, D1 be LED be used for indicating relay whether adhesive, D3 is connected with relay coil, for
When the relay coil powers off suddenly, front stage circuits are played a protective role.It should be noted that Fig. 4 is only the relay module
Partial circuit diagram.It should be understood that the circuit protection module 130 can select a variety of different types according to actual conditions, herein not
Repeat again.
Further, Fig. 6 is please referred to, the resistance gate array 140 includes multiple resistance branch 142, multiple described
Resistance branch 142 is arranged in parallel, and the resistance branch 142 includes the 4th resistance R9 and first switch S5, the first switch S5
It is electrically connected with the relay module and the 4th resistance R9, and is grounded by the 4th resistance R9, it is the multiple
Resistance branch 142 in the present embodiment, is provided with 8 electricity by power input V4 input voltages in the resistance gate array 140
Branch road 142 is hindered, to realize the resistance value adjusting of 8 gears.In checking procedure, circuit 120 is adjusted according to the resistance and sent
Resistance gear regulatory demand, can control one or more of described first switch S5 to be opened or closed so that
Output resistance meets actual demand.
For example, in the present embodiment, the resistance of the 4th resistance R9 in 8 resistance branch 142 is 1K, by with
The cooperation of the resistance regulation circuit 120, the adjustable range of output resistance can change between 1K-55K.It is it should be understood that described
The resistance quantity and resistance included in the quantity of resistance branch 142 and each resistance branch 142 that are provided in resistance gate array 140
Flexible design can be carried out according to the demand in actual checking procedure, be not limited herein in the present embodiment.
Alternatively, the resistance gate array 140 also includes voltmeter 144, and the voltmeter 144 is arranged in parallel in described more
In individual resistance branch 142, for measuring the magnitude of voltage in the multiple resistance branch 142.Alternatively, voltmeter in the present embodiment
144 be digital voltmeter, and the microprocessor 110 can obtain the voltage in the resistance gate array 140 by the voltmeter 144
Value.
Alternatively, the power end of the resistance gate array 140 can access a branch road power supply, for example, the branch road power supply can
Think 110 kilovolts of volume winter line protection power sources.
Further, the data-printing module 150 can further improve the practicality of the insulating check instrument 100, example
Such as, the control instruction and information that the data-printing module 150 can be sent according to the microprocessor 110 are to the data knot that measures
Fruit carries out printing.Wherein, in the present embodiment, the data-printing module 150 can be stylus printing module, for example,
Minitype thermal printer.
Further, the wireless communication module 160 is used for the transmissions such as the data for detecting the insulating check instrument 100
Control to the insulating check instrument 100 is realized to being preserved, handled from the background, or by receiving remote control commands.
Alternatively, the wireless communication module 160 can be Bluetooth chip, WIFI chips and one kind or more in wireless network chip
Kind, specifically, the present embodiment is not limited herein.
Further, as shown in fig. 7, the signal conditioning circuit 170 includes bleeder circuit 172 and amplifying circuit 174, its
In, the output end of the bleeder circuit 172 is connected with the input of the amplifying circuit 174, the output of the amplifying circuit 174
End electrically connects with the A/D converter 112.
Specifically, the bleeder circuit 172 includes the 5th resistance R10, the 6th resistance R11, the 7th resistance R12, the 8th electricity
Hinder R13, the first magnetic bead F1 and the second magnetic bead F2.The output end of the 5th resistance R10 and the input of the 6th resistance R11
It is electrically connected with the input of the seven resistance R12, the output end of the 6th resistance R11 and the 8th resistance R13's
Input is grounded respectively, the output end of the 7th resistance R12 and the first magnetic bead F1 input electrical connection, and the described 8th
Resistance R13 output end and the second magnetic bead F2 input electrically connect, the output end of the first magnetic bead F1 and described the
Two magnetic bead F2 output end electrically connects with the amplifying circuit 174 respectively.
The amplifying circuit 174 includes operational amplifier A D, the 9th resistance R14, the tenth resistance R15, diode D and electric capacity
C.The in-phase input end of the operational amplifier A D electrically connects with the output end of the second magnetic bead F2, reverse input end with it is described
First magnetic bead F1 output end electrical connection, the input of the 9th resistance R14 and the output end electricity of the operational amplifier A D
Connection, output end are electrically connected with the input of the tenth resistance R15 and the input of diode, the tenth resistance
R15 output end is electrically connected with the A/D converter 112 and the electric capacity C.
Wherein, the input endpoint A of the bleeder circuit 172 is connected with insulation monitoring and warning device to be sampled, the amplification
The exit point B of circuit 174 electrically connects with the A/D converter 112 in the microprocessor 110, by the electricity after conditioning
Pressure signal is inputted to the microprocessor 110.
Because the voltage range of sampling is direct current 0-300V, and what the A/D converter 112 in microprocessor 110 can recognize that
Voltage range is direct current 0-5V, therefore, can be by the signal conditioning circuit 170 to the electric current of the insulation monitoring and warning device collected
Or voltage is nursed one's health, to meet the curtage demand in microprocessor 110.During actual implementation, the 5th resistance
R10, the resistance of the 6th resistance R11 can select 30M, the 7th resistance R12 and the 8th resistance R13 resistance can
So that from 10K, the operational amplification circuit AD can select AD623 operational amplifiers, its Differential Input can effectively suppress altogether
Mould disturbs.The 9th resistance R14 and the tenth resistance R15 can select 1K, the first magnetic bead F1 and second magnetic
Pearl F2 is exclusively used in suppressing signal wire, the high-frequency noise on power line and spike interference.Therefore, according to above-mentioned setting, by signal
After modulate circuit 170 is nursed one's health, direct current 0-300V can be converted into direct current 0-4V voltages, the 0-4V voltage signals warp after conditioning
The sample conversion of the A/D converter 112 in the microprocessor 110 is sent into after AD623 amplifications, finally, according to partial pressure when
AD623 multiplication factors converse the actual voltage value of grounding resistance.
It should be noted that the input voltage V5 on operational amplifier A D in the amplifying circuit 174 is+5V.
Further, the insulating check instrument 100 also includes the power module 180 for being used for electric energy supply, the power supply mould
Block 180 electrically connects with the microprocessor 110.When actually implementing, as shown in figure 8, the power module 180 is opened including second
Close 184, AC power 186 and dc source 182, the second switch 184 and the AC power 186, the dc source
182 and the microprocessor 110 be electrically connected, the second switch 184 is used to realizing the AC power 186 and described straight
Flow the switching between power supply 182.
Wherein, when the insulating check instrument 100 is powered using AC power 186, the power interface of the AC power 186
It can be directly connected with 220V voltage sources, then 220 voltages of input be carried out the processing such as being depressured by the AC power 186
Afterwards, there is provided to the insulating check instrument 100.In addition, when the insulating check instrument 100 is powered using dc source 182, this is straight
Stream power supply 182 can be considered that a kind of electrical energy storage device is powered for the insulating check instrument 100, therefore, in the present embodiment, realize
Flexibly switch between the dc source 182 and the AC power 186, to meet different test environments, effectively increase
The applicability of the insulating check instrument 100.
Alternatively, the insulating check instrument 100 may also include man-machine interaction panel, and the man-machine interaction panel is arranged at institute
The outer surface of apparatus body is stated, and is electrically connected with the microprocessor 110, for carrying out the display of data result, parameter input,
Set etc..
In addition, the insulating check instrument 100 may also include dedicated testing wire and test clamp, further described in raising
The applicability and convenience of insulating check instrument 100.
Based on the above-mentioned description to insulating check instrument 100, as shown in figure 9, the utility model embodiment also provides one kind absolutely
Edge check system 10, the insulating check system 10 include control terminal 200 and above-mentioned insulating check instrument 100, the control
Terminal 200 communicates to connect with the insulating check instrument 100.
Wherein, it is described control terminal 200 both can remotely receive, monitor the insulating check instrument 100 check results and
Verification data, again can be by realizing the remote control to the insulating check instrument 100, such as electricity in the form of sending control instruction
Resistance the automatically adjusting of gear, data-printing, instrument are opened etc..Alternatively, in the present embodiment, it is described control terminal 200 can be,
But it is not limited to mobile device, PC ends, server etc..
In summary, insulating check instrument 100 provided by the utility model and insulating check system 10, by the insulation school
The ingehious design of instrument 100 is tested, the verification to D.C. isolation monitoring device can intelligently, be rapidly realized, efficiently solve existing
In technology when carrying out insulation test existing time-consuming, the laborious, problem such as verification is inaccurate, security is low, and the utility model
The insulating check instrument 100 provided is more miniaturized, is intelligent, and strong applicability.
Obviously, those skilled in the art should be understood that the function of above-mentioned the utility model embodiment can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the existing program code or algorithm that computing device can perform, it is thus possible to
It is stored in storage device by computing device to perform, or they is fabricated to each integrated circuit modules respectively,
Or the multiple modules or step in them are fabricated to single integrated circuit module to realize.So, work(of the present utility model
It can realize that being not restricted to any specific hardware and software combines.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of insulating check instrument, it is characterised in that the insulating check instrument includes microprocessor, circuit protection module, signal
Modulate circuit, data-printing module, wireless communication module and resistance regulation circuit and electricity for realizing the regulation of resistance gear
Gate array is hindered, the microprocessor is integrated with A/D converter；
The microprocessor and resistance regulation circuit, the circuit protection module, the data-printing module and the nothing
Line communication module is electrically connected, and the circuit protection module electrically connects with the resistance gate array, the signal conditioning circuit
Electrically connected with the A/D converter.
2. insulating check instrument according to claim 1, it is characterised in that the resistance regulation circuit includes gear regulation electricity
Road and reset circuit, the shift adjusting circuit include the first regulation circuit and the second regulation circuit；
First regulation circuit, the second regulation circuit and the reset circuit electrically connect with the microprocessor respectively,
The first regulation circuit is used to export with increasing resistance value, and the second regulation circuit is used to export with reducing resistance value.
3. insulating check instrument according to claim 2, it is characterised in that it is described first regulation circuit include first resistor and
First button, the second regulation circuit include second resistance and the second button, and the reset circuit includes 3rd resistor and the
Three buttons；
The first resistor is electrically connected with the microprocessor and first button, the second resistance and micro- place
Reason device and second button are electrically connected, and the 3rd resistor is electrically connected respectively with the microprocessor and the 3rd button
Connect, and first button, the second button and the 3rd button ground connection.
4. insulating check instrument according to claim 1, it is characterised in that the resistance gate array includes multiple resistance branch
Road, multiple resistance branch are arranged in parallel, and the resistance branch includes the 4th resistance and first switch, the first switch with
The circuit protection module and the 4th resistance are electrically connected, and pass through the 4th resistance eutral grounding.
5. insulating check instrument according to claim 4, it is characterised in that the resistance gate array also includes voltmeter, institute
State voltmeter to be arranged in parallel in the multiple resistance branch, for measuring the magnitude of voltage in the multiple resistance branch.
6. insulating check instrument according to claim 1, it is characterised in that the signal conditioning circuit include bleeder circuit and
Amplifying circuit；
The output end of the bleeder circuit is connected with the input of the amplifying circuit, the output end of the amplifying circuit with it is described
A/D converter electrically connects.
7. insulating check instrument according to claim 6, it is characterised in that the bleeder circuit includes the 5th resistance, the 6th
Resistance, the 7th resistance, the 8th resistance, the first magnetic bead and the second magnetic bead；
The output end of 5th resistance is electrically connected with the input of the 6th resistance and the input of seven resistance,
The output end of 6th resistance and the input of the 8th resistance are grounded respectively, the output end of the 7th resistance and described
The input electrical connection of first magnetic bead, the output end of the 8th resistance and the input electrical connection of second magnetic bead, it is described
The output end of first magnetic bead and the output end of second magnetic bead electrically connect with the amplifying circuit respectively.
8. insulating check instrument according to claim 7, it is characterised in that the amplifying circuit includes operational amplifier, the
Nine resistance, the tenth resistance, diode and electric capacity；
The in-phase input end of the operational amplifier electrically connects with the output end of second magnetic bead, reverse input end and described the
The output end electrical connection of one magnetic bead, the input of the 9th resistance are electrically connected with the output end of the operational amplifier, exported
End be electrically connected with the input of the tenth resistance and the input of diode, the output end of the tenth resistance with it is described
A/D converter and the electric capacity are electrically connected.
9. insulating check instrument according to claim 1, it is characterised in that the data-printing module is stylus printing mould
Block.
10. a kind of insulating check system, it is characterised in that the insulating check system includes control terminal and the claims
Insulating check instrument any one of 1-9, the insulating check instrument and the control terminal communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596466.1U CN207037008U (en) | 2017-05-24 | 2017-05-24 | Insulating check instrument and insulating check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596466.1U CN207037008U (en) | 2017-05-24 | 2017-05-24 | Insulating check instrument and insulating check system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207037008U true CN207037008U (en) | 2018-02-23 |
Family
ID=61470307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720596466.1U Active CN207037008U (en) | 2017-05-24 | 2017-05-24 | Insulating check instrument and insulating check system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207037008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203921A (en) * | 2020-11-26 | 2021-08-03 | 国网天津市电力公司 | One-key type full-automatic tester for insulation standardization between branches |
-
2017
- 2017-05-24 CN CN201720596466.1U patent/CN207037008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203921A (en) * | 2020-11-26 | 2021-08-03 | 国网天津市电力公司 | One-key type full-automatic tester for insulation standardization between branches |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205193166U (en) | Direct current system comprehensive tester | |
| CN204156226U (en) | A kind of smart jack | |
| CN105182117A (en) | DC integrated test platform | |
| CN103364629B (en) | A kind of electronic device energy consumption measuring method and system | |
| CN101122620B (en) | Power supply line | |
| CN103149431A (en) | Multifunction watt-hour meter | |
| CN207037008U (en) | Insulating check instrument and insulating check system | |
| CN203275530U (en) | Multi-channel integrated thunder and lightning monitor | |
| CN205592228U (en) | Portable multi -functional hydraulic control valve failure diagnosis test instrument of intelligence | |
| CN207020295U (en) | A kind of insulating check device and insulating check instrument | |
| CN101620447B (en) | Multirange full automatic high precision pull control system | |
| CN206990774U (en) | A kind of intelligent electric power parameter detection device | |
| CN105577937A (en) | Method for movably monitoring electronic equipment in unattended manner and monitoring system | |
| CN211123024U (en) | PCB branch current detection device and PCB detection system | |
| CN206920575U (en) | A kind of practical power parameter detection means | |
| CN209432996U (en) | Single-phase meter on-site calibration device | |
| CN208125825U (en) | Wireless telemetering phase checking device | |
| CN202171617U (en) | Contact current tester | |
| CN207817064U (en) | A kind of single-phase electrical appliance research and application device | |
| CN201804066U (en) | Intelligent detection instrument for surge protector of embedded system | |
| CN204142941U (en) | Sensor surveying unit | |
| CN200976287Y (en) | High-precision multifunctional procedure signal check meter | |
| CN201290068Y (en) | Terminal for monitoring power supply environment | |
| CN205157660U (en) | Monitoring device | |
| CN200941111Y (en) | Neutral point resistance information detection recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |