CN207051388U - A kind of electric motor coach insulation measurement box - Google Patents
A kind of electric motor coach insulation measurement box Download PDFInfo
- Publication number
- CN207051388U CN207051388U CN201720817305.0U CN201720817305U CN207051388U CN 207051388 U CN207051388 U CN 207051388U CN 201720817305 U CN201720817305 U CN 201720817305U CN 207051388 U CN207051388 U CN 207051388U
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- Prior art keywords
- resistance
- box
- switch
- electric motor
- motor coach
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Abstract
It the utility model is related to a kind of electric motor coach insulation measurement box, including box body, electric wire, cable-through hole, voltage measurement terminal, resistance and stacked switch, the cable-through hole perforate is covered on the box body, the voltage measurement terminal and stacked switch, which are fixed on box body, to be covered, the resistance is fixed on lid lower surface on box body, also include button switch, one end of the resistance is connected with one end of stacked switch, the other end is connected with one end of button switch, and the other end of the button switch and stacked switch is connected to voltage measurement terminal；The voltage measurement terminal is connected with the electric wire, and the electric wire guides to the box portion outside by cable-through hole.The utility model disclosure satisfy that electric motor coach insulation measurement requirement.
Description
Technical field
A kind of insulation resistance measuring device is the utility model is related to, is surveyed more particularly to a kind of electric motor coach with insulaion resistance
Measure box.
Background technology
On November 15th, 2016, the Ministry of Industry and Information Technology was issued on further carrying out new-energy automobile popularization and application peace
The notice of full supervision, wherein stating：From 1 day January in 2017, before the safe national standard of electric motor coach is put into effect, Suo Youxin
The integral new-energy passenger of production is temporarily pressed《Electric motor coach safety specification》Requirement perform.
《Electric motor coach safety specification》In the 4.8th to vehicle collision protection propose vehicle after impact test should
Meet in GB/T 31,498 4.2~4.4 requirement.If desired according to A.4.2 using internal dc voltage source (connection DC circuit
The two poles of the earth) measuring method carry out insulation measurement, sold in the market without ripe equipment.
Because electric motor coach is higher relative to electric automobile normal working voltage, it is necessary in the insulated electro for electric automobile
The performance parameter of insulation measurement box is redesigned on the basis of resistance box to meet electric motor coach insulation measurement requirement.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electric motor coach insulation measurement box, Neng Gouman
Sufficient electric motor coach insulation measurement requirement.
Technical scheme is used by the utility model solves its technical problem：A kind of electric motor coach insulaion resistance is provided
Measuring box, including box body, electric wire, cable-through hole, voltage measurement terminal, resistance and stacked switch, the cable-through hole perforate is in described
Covered on box body, the voltage measurement terminal and stacked switch are fixed on and covered on box body, and the resistance is fixed on box body under lid
Surface, in addition to button switch, one end of the resistance are connected with one end of stacked switch, one end of the other end and button switch
It is connected, the other end of the button switch and stacked switch is connected to voltage measurement terminal；The voltage measurement terminal connects
The electric wire is connected to, the electric wire guides to the box portion outside by cable-through hole.
The voltage measurement terminal and stacked switch are fixed by way of the lid perforate on box body.
The resistance is fixed on lid lower surface on box body by pasting.
The resistance has two, is connected in parallel between stacked switch and button switch, and two resistance
Resistance is different.
The stacked switch is formed after being connected by the 4th pin of two double gear switch, wherein, a double gear switch is used
In control electric motor coach REESS both positive and negative polarities, another double gear switch is used in control circuit need the resistance accessed.
Reinforced on the measuring box after the completion of base portion connection by insulating materials.
The resistance of the measuring box internal resistance is more than the resistance of common electric automobile using insulation measurement box internal resistance
Value.
Beneficial effect
As a result of above-mentioned technical scheme, the utility model compared with prior art, has the following advantages that and accumulated
Pole effect：The utility model realizes switch combination effect, and circuit is very simple, and has two kinds of access resistance optional, is applicable
In the different electric motor coach of operating voltage.Lighter weight of the present utility model, impact resistance is preferably real after insulating materials is fixed
It is hardly damaged during testing, the measurement to vehicle insulaion resistance can be completed in the case where human body does not contact vehicle body.This practicality
Novel photo adds button switch for existing measuring box, reduce further because maloperation brings personal wound to staff
Harmful danger.The utility model is applied to the insulation measurement of electric motor coach, is surveyed relative to existing electric automobile insulation resistance
Measure the increase of box internal resistance value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is switch schematic diagram of the present utility model.
Fig. 3 is circuit diagram of the present utility model.
In figure：1- cable-through holes, 2- cable-through holes, 3- voltage measurement terminals, 4- voltage measurement terminals, 5- switches, 5.1- switches
Pin, 5.2- switch pins, 5.3- switch pins, 5.4- switch pins, 5.5- switch pins, 5.6- switch pins, 6- switches,
6.1- switch pins, 6.2- switch pins, 6.3- switch pins, 6.4- switch pins, 6.5- switch pins, 6.6- switches draw
Pin, 7- button switches, 7.1- button switch pins, 7.2 button switch pins, 8- voltage measurement terminals, 9- cable-through holes, 11- groups
Combination switch identifies, 10- box bodys, 12- electric wires, 13- electric wires, 14- electric wires.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Embodiment of the present utility model is related to a kind of electric motor coach insulation measurement box, as shown in figures 1 and 3,
Including box body, electric wire, cable-through hole, voltage measurement terminal, resistance and stacked switch, the cable-through hole perforate is on the box body
Lid, the voltage measurement terminal and stacked switch are fixed on by way of the lid perforate on box body to be covered on box body, the electricity
Resistance is fixed on lid lower surface on box body, in addition to button switch, one end of the resistance and one end of stacked switch by stickup
It is connected, the other end is connected with one end of button switch, and the other end of the button switch and stacked switch is connected to voltage
Measurement terminal；The voltage measurement terminal is connected with the electric wire, and the electric wire guides to the box portion outside by cable-through hole.
Box body is rectangle box body in present embodiment, in flat, can highly accommodate double gear switch.Three are provided with box body
Individual cable-through hole, cable-through hole 1 are used for passing through the connecting electric automobile power battery anode of electric wire 12, and cable-through hole 2 is used for passing through electric wire 13
Connecting electric automobile power battery cathode, cable-through hole 9 are used for tightening up a screw i.e. electric chassis by the connecting electric automobile vehicle body of electric wire 14.
Three voltage measurement terminals also are provided with box body, voltage measurement terminal 3, voltage measurement terminal 4 and voltage measurement terminal 8 are right respectively
Cable-through hole 1, cable-through hole 2 and cable-through hole 9 are answered, for measuring relevant voltage terminal voltage.
Present embodiment forms stacked switches using two double gear switch, the pin 5.5 of double gear switch 5 respectively with pin
5.2nd, pin 5.4 is connected with pin 5.6, and the pin 6.5 of double gear switch is connected with pin 6.2, pin 6.4 and pin 6.6 respectively,
And be attached pin 5.4 and pin 6.4 according to mode wire as shown in Figure 2, form a stacked switch 11.This implementation
Resistance has two in mode, and respectively resistance A and resistance B, two resistance are connected to stacked switch and button in parallel
Between switch, and the resistance of two resistance is different, can so be directed to the operating voltage of electric motor coach, selects two kinds of not same amounts
Journey.Button switch 7 in present embodiment is arranged between switch 6 and measurement terminal 8, has pin 7.1 and pin 7.2.
Electric wire 12, electric wire 13 and electric wire 14 are used to draw each terminals inside insulation measurement box.The electric wire 12
The pin 5.1 for being connected to switch 5 guides to box portion outside through over-voltage measurement terminal 3 from cable-through hole 1.The electric wire 13 is connected to out
The pin 5.3 for closing 5 guides to box portion outside through over-voltage measurement terminal 4 from cable-through hole 2.The electric wire 14 is through over-voltage measurement terminal
8 guide to box portion outside from cable-through hole 9.Resistance A one end is connected to the pin 6.3 of switch 6, the pin of the other end and button switch 7
7.1 connection.Resistance B one end is connected to the pin 6.1 of switch 6, and the other end is connected with the pin 7.1 of button switch 7.The button
The pin 7.2 of switch 7 is connected to voltage measurement terminal 8.Circuit diagram as shown in Figure 3 between each part of insulation measurement box
It is attached.Double gear switch 5 is used for the positive pole or negative pole for controlling insulation measurement box to meet electric motor coach REESS, folk art term
It is A or resistance B that switch 6, which is used to control outside access resistance,.
The measuring box is made up of insulating materials so that the lighter weight of whole measuring box.Base portion on the measuring box
Reinforced after the completion of connection by insulating materials, the not rapid wear in the preferable experimentation of impact resistance after insulating materials is fixed
It is bad, the measurement to vehicle insulaion resistance can be completed in the case where human body does not contact vehicle body.By increasing button switch and inciting somebody to action
The resistance of measuring box internal resistance is increased compared to the resistance of common electric automobile using insulation measurement box internal resistance,
It reduce further because maloperation brings the danger of personal injury to staff.
Using this electric motor coach insulation measurement box measurement insulaion resistance workflow be：Before impact test, disconnect
Vehicle power supply, two switches are placed in neutral gear position；Three electric wires are led with electric automobile power battery positive pole, negative pole, vehicle body
Electric part is corresponding to be connected, and is fixed on and is influenceed less vehicle body position by impact test；Open button switch 7；Regulation folk art term is opened
5 are closed, chooses REESS positive poles, the electricity between REESS positive poles and vehicle body is measured by voltage measurement terminal 3 and voltage measurement terminal 8
Pressure；Double gear switch 5 is adjusted, chooses REESS negative poles, REESS negative poles are measured by voltage measurement terminal 4 and voltage measurement terminal 8
Voltage between vehicle body, two voltages take absolute value, and compare its size, and higher one is defined as U1, relatively low one is calmly
Justice is U1′；Resistance A or resistance B is selected by double gear switch 6 according to electric motor coach rated voltage.Double gear switch 5 is adjusted, is chosen
REESS positive poles, the voltage between REESS positive poles and vehicle body is measured by voltage measurement terminal 3 and voltage measurement terminal 8；Regulation
Double gear switch 5, choose REESS negative poles, by voltage measurement terminal 4 and voltage measurement terminal 8 measure REESS negative poles and vehicle body it
Between voltage, two voltages take absolute value, and read and high voltage end U1Corresponding U2, low-voltage end U1' corresponding U2', and calculate
Go out insulating resistance value.After impact test, according to the insulaion resistance of identical workflow management collision rift.Complete insulation measurement work
Make.Circular is provided in the appendix A in GB/T 31498, is not repeated herein.
It is seen that the utility model realizes switch combination effect, circuit is very simple, and has two kinds of access resistance
It is optional, suitable for the different electric motor coach of operating voltage.Lighter weight of the present utility model, the impact resistance after insulating materials is fixed
It is hardly damaged in the preferable experimentation of property, the survey to vehicle insulaion resistance can be completed in the case where human body does not contact vehicle body
Amount.The utility model adds button switch relative to existing measuring box, reduce further because maloperation is to staff
Bring the danger of personal injury.The utility model is applied to the insulation measurement of electric motor coach, relative to existing electric automobile
The increase of insulation measurement box internal resistance value.
Claims (7)
1. a kind of electric motor coach insulation measurement box, including box body, electric wire, cable-through hole, voltage measurement terminal, resistance and group
Combination switch, the cable-through hole perforate are covered on the box body, and the voltage measurement terminal and stacked switch, which are fixed on box body, to be covered,
The resistance is fixed on lid lower surface on box body, it is characterised in that also including button switch, one end of the resistance is with combining out
One end of pass is connected, and the other end is connected with one end of button switch, and the other end of the button switch and stacked switch connects respectively
It is connected to voltage measurement terminal；The voltage measurement terminal is connected with the electric wire, and the electric wire guides to the box by cable-through hole
Outside body.
2. electric motor coach according to claim 1 insulation measurement box, it is characterised in that the voltage measurement terminal
It is fixed with stacked switch by way of the lid perforate on box body.
3. electric motor coach according to claim 1 insulation measurement box, it is characterised in that the resistance passes through stickup
It is fixed on lid lower surface on box body.
4. electric motor coach according to claim 1 insulation measurement box, it is characterised in that the resistance has two,
It is connected in parallel between stacked switch and button switch, and the resistance of two resistance is different.
5. electric motor coach according to claim 4 insulation measurement box, it is characterised in that the stacked switch passes through
4th pin of two double gear switch is formed after being connected, wherein, a double gear switch is used to control electric motor coach REESS positive and negative
Pole, another double gear switch are used in control circuit need the resistance accessed.
6. electric motor coach according to claim 1 insulation measurement box, it is characterised in that base on the measuring box
Reinforced after the completion of portion's connection by insulating materials.
7. electric motor coach according to claim 1 insulation measurement box, it is characterised in that electricity inside the measuring box
The resistance of resistance is more than the resistance of common electric automobile using insulation measurement box internal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817305.0U CN207051388U (en) | 2017-07-07 | 2017-07-07 | A kind of electric motor coach insulation measurement box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817305.0U CN207051388U (en) | 2017-07-07 | 2017-07-07 | A kind of electric motor coach insulation measurement box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051388U true CN207051388U (en) | 2018-02-27 |
Family
ID=61495941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817305.0U Expired - Fee Related CN207051388U (en) | 2017-07-07 | 2017-07-07 | A kind of electric motor coach insulation measurement box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051388U (en) |
-
2017
- 2017-07-07 CN CN201720817305.0U patent/CN207051388U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315226 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee after: China Auto Research Automobile Inspection Center (Ningbo) Co.,Ltd. Address before: Room 2-017, Building 3, Business Street, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: CATARC AUTOMOTIVE QUALITY INSPECTION CENTER (NINGBO) CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |