CN209296799U - A kind of separate type high pressure monitoring device - Google Patents
A kind of separate type high pressure monitoring device Download PDFInfo
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- CN209296799U CN209296799U CN201822120103.8U CN201822120103U CN209296799U CN 209296799 U CN209296799 U CN 209296799U CN 201822120103 U CN201822120103 U CN 201822120103U CN 209296799 U CN209296799 U CN 209296799U
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Abstract
The utility model provides a kind of separate type high pressure monitoring device, it is related to technical field of new energy, high voltage system applied to electric car, it include: controller, communication bus, isolating device and measuring appliance, wherein, the first end of controller is connected with the first end of communication bus, and the second end of communication bus is connected with the first end of isolating device, and the second end of isolating device is connected with the first end of measuring appliance；Measuring appliance, for measuring the electrical parameter of high tension loop to be measured in electric car, wherein electrical parameter includes: voltage value and/or current value；Isolating device obtains the electrical parameter after isolation processing for electrical parameter to be isolated；Communication bus is used to obtain electrical parameter after isolation processing, and the electrical parameter after transmitting isolation processing to controller；Controller, for receiving the electrical parameter after isolation processing.Device provided by the utility model ensures the reliability of high and low pressure system work, improves the safety of system.
Description
Technical field
The utility model relates to technical field of new energy, more particularly, to a kind of separate type high pressure monitoring device.
Background technique
At present in the high pressure monitoring system of electric car, the measurement detection module of high pressure during the work time, is needed to height
Voltage and high current are continued to monitor.In starting or accelerator, the acute variation of electric current handles mould to the control of low pressure
Block produces very big interference, affects the stability and reliability of system.
Utility model content
In view of this, making the purpose of this utility model is to provide the utility model proposes a kind of framework of separate type
It obtains low-pressure control module to be located at from high-tension measurement module on different circuit boards, is realized and be physically isolated by communication bus,
And the communication module on circuit board and each processing module use electrical isolation.The framework of this two layers of isolation ensures high-low pressure system
The reliability of system work, improves the safety of system.
In a first aspect, the utility model embodiment provides a kind of separate type high pressure monitoring device, it is applied to electric car
High voltage system, comprising: controller, communication bus, isolating device and measuring appliance, wherein the first end of the controller
It is connected with the first end of communication bus, the second end of the communication bus is connected with the first end of the isolating device, institute
The second end for stating isolating device is connected with the first end of the measuring appliance；The measuring appliance, for measuring the electric car
In high tension loop to be measured electrical parameter, wherein the electrical parameter includes: voltage value and/or current value；The isolating device,
For the electrical parameter to be isolated, the electrical parameter after isolation processing is obtained；The communication bus, for obtain every
From the electrical parameter after processing, and to the controller transmit isolation processing after the electrical parameter；The controller,
For receiving the electrical parameter after isolation processing.
Further, the isolating device is photoelectrical coupler.
Further, described device further include: current sensor, the current sensor are connected in series in the height and push back
Lu Zhong, and be connected with the current input terminal of the measuring appliance, for measuring the high tension loop current value.
Further, described device further include: power supply, wherein the power supply is power battery, for being the electronic vapour
The high voltage system of vehicle provides power supply.
Further, described device further include: main positive contactor, main negative contactor, preliminary filling contactor and first resistor,
In, first end, second end and the third end of the positive contactor of master respectively with positive, the described controller of the power supply second
End is connected with the first end of the first resistor；The first end of the negative contactor of master, second end respectively with the power supply
Cathode, the controller third end be connected；First end, second end and the third end of the preliminary filling contactor respectively with it is described
4th end of positive, the described controller of power supply is connected with the second end of the first resistor.
Further, described device further include: insulation measurement module, the insulation measurement module and the survey
Measuring device is connected, for measuring the resistance value of electric automobile insulation resistance.
Further, the insulation measurement module includes: the first insulation measurement switch, and the second insulation resistance is surveyed
Amount switch, second resistance and 3rd resistor, wherein first end, second end and the third of the first insulation measurement switch
End is connected with the first switch control terminal of positive, the described measuring appliance of the power supply and the first end of the second resistance respectively
It connects；First end, second end and the third end of second insulation measurement switch respectively with the cathode of the power supply, the survey
The second switch control terminal of measuring device is connected with the first end of the 3rd resistor；The second end and ground line of the second resistance
It is connected, the second end of the 3rd resistor is connected with connecting wires.
Further, the first measurement end of the measuring appliance, the second measurement end and third measurement end respectively with the first high pressure
Sampled point, the second high pressure sampled point are connected with third high pressure sampled point, wherein the first high pressure sampled point and described second
High pressure sample on the power supply line being connected with the anode of the power supply, the third high pressure sample in the power supply
The connected power supply line of cathode on.
Further, the ground terminal of the measuring appliance is connected with ground line.
Further, described device further include: fuse, wherein the fuse is connected in series in the high tension loop
In, for disconnecting the high tension loop when electric current is more than setting value.
In the utility model embodiment, using a kind of framework of separate type, so that low-pressure control module and high-tension measurement
Module is located on different circuit boards, is realized and is physically isolated by communication bus, and the communication module on circuit board and each
Processing module uses electrical isolation.The framework of this two layers of isolation ensures the reliability of high and low pressure system work, improves and is
The safety of system.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model 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
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of separate type high pressure monitoring device provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of another separate type high pressure monitoring device provided by the embodiment of the utility model.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment one:
The utility model embodiment additionally provides a kind of separate type high pressure monitoring device, below to the utility model embodiment
The separate type high pressure monitoring device of offer does specific introduction.
Fig. 1 is applied to electronic according to a kind of schematic diagram of separate type high pressure monitoring device of the utility model embodiment
The high voltage system of automobile, as shown in Figure 1, the separate type high pressure monitoring device specifically includes that controller 10, communication bus
20, isolating device 30 and measuring appliance 40, wherein the first end of controller 10 is connected with the first end of communication bus 20, communication
The second end of bus 20 is connected with the first end of isolating device 30, the second end of isolating device 30 and the first end of measuring appliance 40
It is connected；
Measuring appliance 40, for measuring the electrical parameter of high tension loop to be measured in electric car, wherein electrical parameter includes: electricity
Pressure value and/or current value；Measuring appliance 40 is the high voltage functionality module in the high voltage system of electric car.
Isolating device 30 obtains the electrical parameter after isolation processing for electrical parameter to be isolated.
Optionally, isolating device 30 is photoelectrical coupler, by converting optical signal for the electric signal received, by light
Signal is converted into the mode of electric signal, realizes the electrical isolation of signals transmission between two modules.
Communication bus 20, for obtaining the electrical parameter after isolation processing, and after transmitting isolation processing to controller
Electrical parameter.
Controller 10, for receiving the electrical parameter after isolation processing, wherein controller 10 is that the height of electric car is voltage-controlled
Low-pressure control module in system processed.
Specifically, the high voltage functionality module and low-pressure control module of electric car by communication bus realize physics every
From, while electrical isolation is also realized by isolating device, the architecture design of this separate type can eliminate high voltage functionality module
When the high tension loop to electric car carries out high pressure electric parameter measurement, on influence caused by low-pressure control module, it is ensured that
The reliability of high and low pressure system work, improves the safety of system.
Embodiment two:
Fig. 2 is to be applied to electricity according to the schematic diagram of another separate type high pressure monitoring device of the utility model embodiment
The high voltage control module of electrical automobile, as shown in Fig. 2, the separate type high pressure monitoring device includes: low-pressure control module (that is, above-mentioned
Controller 10 in embodiment), communication bus (that is, communication bus 20 in above-described embodiment), photoelectrical coupler is (that is, above-mentioned
Isolating device 30 in embodiment) and high-tension measurement module (that is, slave measuring appliance 40 in above-described embodiment), wherein low pressure control
The first end of molding block is connected with the first end of communication bus, the second end and the first end phase of photoelectrical coupler of communication bus
Connection, the second end of photoelectrical coupler are connected with the first end of high-tension measurement module.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Optionally, as shown in Fig. 2, the separate type high pressure monitoring device further include: current sensor, current sensor series connection
It is connected in high tension loop, and is connected with the current input terminal of high-tension measurement module, for measuring high tension loop current value.
Wherein, high tension loop is the closed circuit being connected with electric car power supply, and the power supply of electric car is power electric
Pond provides power supply for the high voltage system for electric car, and provides power supply for electric car.Specifically, high tension loop
Voltage between 100V to 700V any value, it is preferable that be 400V.
Optionally, as shown in Fig. 2, the separate type high pressure monitoring device further include: main positive contactor, main negative contactor, in advance
Fill contactor and first resistor, wherein
First end, second end and the third end of main positive contactor respectively with the anode of power supply, low-pressure control module second
End is connected with the first end of first resistor；
First end, the second end of main negative contactor are connected with the third end of the cathode of power supply, low-pressure control module respectively；
First end, second end and the third end of preliminary filling contactor respectively with the anode of power supply, low-pressure control module the 4th
End is connected with the second end of first resistor.
Specifically, low-pressure control module can control main positive contactor, main negative contactor and preliminary filling contactor disconnection and
Closure, to control the disconnection and closure of the high tension loop of electric car.
Optionally, the separate type high pressure monitoring device further include: insulation measurement module, insulation measurement module with
High-tension measurement module is connected, for measuring the resistance value of electric automobile insulation resistance.
Specifically, as shown in Fig. 2, insulation measurement module includes: the first insulation measurement switch, the second insulated electro
Resistance measurement switch, second resistance and 3rd resistor, wherein
First insulation measurement switch first end, second end and third end respectively with the anode of power supply, high-tension measurement
The first switch control terminal of module is connected with the first end of second resistance；
Second insulation measurement switch first end, second end and third end respectively with the cathode of power supply, high-tension measurement
The second switch control terminal of module is connected with the first end of 3rd resistor；
The second end of second resistance is connected with ground line, and the second end of 3rd resistor is connected with connecting wires.
Specifically, low-pressure control module sends control signal and gives high-tension measurement module, and high-tension measurement module is according to receiving
Control the switch state that signal alternately controls the first insulation measurement switch and the second insulation measurement switch, high-tension measurement
Module measures high tension loop voltage value simultaneously, and the voltage value that measurement obtains is sent to by photoelectrical coupler and communication bus
Low-pressure control module module, low-pressure control module can calculate the exhausted of electric car according to the voltage value of the front and back received twice
Edge internal resistance resistance value.
Optionally, as shown in Fig. 2, the first measurement end of high-tension measurement module, the second measurement end and third measurement end difference
It is connected with the first high pressure sampled point, the second high pressure sampled point and third high pressure sampled point, wherein the first high pressure sampled point and
In on the power supply line that the anode with power supply is connected, third high pressure sample is connected two high pressure samples in the cathode with power supply
Power supply line on.High-tension measurement module respectively adopts the first high pressure by the first measurement end, the second measurement end and third measurement end
Sampling point, the second high pressure sampled point and third high pressure sampled point carry out the measurement of voltage value, respectively obtain the first high pressure sampled point, the
The voltage value of two high pressure sampled points and third high pressure sampled point.
Optionally, as shown in Fig. 2, the ground terminal of high-tension measurement module is connected with ground line.
Optionally, as shown in Fig. 2, the separate type high pressure monitoring device further include: fuse, wherein fuse series connection connects
It connects in high tension loop, for disconnecting high tension loop when electric current is more than setting value, plays the overcurrent protection to high tension loop and make
With.
As can be seen from the above description, the utility model uses a kind of framework of separate type, so that low-pressure control module and height
Pressure measurement module is located on different circuit boards, is realized and is physically isolated by communication bus, and the communication mould on circuit board
Block and each processing module use electrical isolation.The framework of this two layers of isolation ensures the reliability of high and low pressure system work, mentions
The high safety of system.The utility model can reach following technical effect simultaneously:
(1) high-tension measurement module is eliminated in high-tension measurement to the influence of low-pressure control module；
(2) control is separated with measurement module, and when high-tension measurement module failure, low-pressure control module can still be controlled system
System, improves security of system；
(3) hardware and software platform design is realized, high-tension measurement module is suitable for different voltages grade and current range application, and low pressure
Control module can not be by the constraint of high-tension measurement module；
(4) control logic of low-pressure control module has portability, can not be limited by the condition of high-tension measurement module,
System general frame is more flexible.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
The scope of the utility model is not intended to limit up to formula and numerical value.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of separate type high pressure monitoring device, which is characterized in that the high voltage system applied to electric car, comprising: control
Device processed, communication bus, isolating device and measuring appliance, wherein the first end of the controller is connected with the first end of communication bus
It connects, the second end of the communication bus is connected with the first end of the isolating device, the second end of the isolating device and institute
The first end for stating measuring appliance is connected；
The measuring appliance, for measuring the electrical parameter of high tension loop to be measured in the electric car, wherein the electrical parameter packet
It includes: voltage value and/or current value；
The isolating device obtains the electrical parameter after isolation processing for the electrical parameter to be isolated；
The communication bus transmits isolation processing for obtaining the electrical parameter after isolation processing, and to the controller
The electrical parameter later；
The controller, for receiving the electrical parameter after isolation processing.
2. the apparatus according to claim 1, which is characterized in that the isolating device is photoelectrical coupler.
3. the apparatus according to claim 1, which is characterized in that described device further include: current sensor, the electric current pass
Sensor is connected in series in the high tension loop, and is connected with the current input terminal of the measuring appliance, for measuring the height
Press loop current value.
4. the apparatus according to claim 1, which is characterized in that described device further include: power supply, wherein the power supply is
Power battery, for providing power supply for the high voltage system of the electric car.
5. device according to claim 4, which is characterized in that described device further include: main positive contactor, main negative contact
Device, preliminary filling contactor and first resistor, wherein
First end, second end and the third end of the positive contactor of master respectively with positive, the described controller of the power supply
Two ends are connected with the first end of the first resistor；
First end, the second end of the negative contactor of master are connected with the third end of the cathode of the power supply, the controller respectively
It connects；
First end, second end and the third end of the preliminary filling contactor respectively with positive, the described controller of the power supply
Four ends are connected with the second end of the first resistor.
6. device according to claim 4, which is characterized in that described device further include: insulation measurement module, it is described
Insulation measurement module is connected with the measuring appliance, for measuring the resistance value of electric automobile insulation resistance.
7. device according to claim 6, which is characterized in that the insulation measurement module includes: the first insulated electro
Resistance measurement switch, the second insulation measurement switch, second resistance and 3rd resistor, wherein
First end, second end and the third end of the first insulation measurement switch are positive, described with the power supply respectively
The first switch control terminal of measuring appliance is connected with the first end of the second resistance；
First end, second end and the third end of second insulation measurement switch respectively with the cathode of the power supply, described
The second switch control terminal of measuring appliance is connected with the first end of the 3rd resistor；
The second end of the second resistance is connected with ground line, and the second end of the 3rd resistor is connected with connecting wires.
8. device according to claim 4, which is characterized in that the first measurement end of the measuring appliance, the second measurement end and
Third measurement end is connected with the first high pressure sampled point, the second high pressure sampled point and third high pressure sampled point respectively, wherein described
First high pressure sampled point and the second high pressure sample are on the power supply line being connected with the anode of the power supply, the third
High pressure sample is on the power supply line being connected with the cathode of the power supply.
9. the apparatus according to claim 1, which is characterized in that the ground terminal of the measuring appliance is connected with ground line.
10. the apparatus according to claim 1, which is characterized in that described device further include: fuse, wherein the fusing
Device is connected in series in the high tension loop, for disconnecting the high tension loop when electric current is more than setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822120103.8U CN209296799U (en) | 2018-12-17 | 2018-12-17 | A kind of separate type high pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822120103.8U CN209296799U (en) | 2018-12-17 | 2018-12-17 | A kind of separate type high pressure monitoring device |
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| Publication Number | Publication Date |
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| CN209296799U true CN209296799U (en) | 2019-08-23 |
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| CN201822120103.8U Active CN209296799U (en) | 2018-12-17 | 2018-12-17 | A kind of separate type high pressure monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683587A (en) * | 2018-12-17 | 2019-04-26 | 华人运通控股有限公司 | A kind of separate type high pressure monitoring method and device |
| CN111026218A (en) * | 2019-12-19 | 2020-04-17 | 中国科学院国家空间科学中心 | Miniature multi-channel floating ground negative high-voltage power supply |
-
2018
- 2018-12-17 CN CN201822120103.8U patent/CN209296799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683587A (en) * | 2018-12-17 | 2019-04-26 | 华人运通控股有限公司 | A kind of separate type high pressure monitoring method and device |
| CN111026218A (en) * | 2019-12-19 | 2020-04-17 | 中国科学院国家空间科学中心 | Miniature multi-channel floating ground negative high-voltage power supply |
| CN111026218B (en) * | 2019-12-19 | 2021-12-07 | 中国科学院国家空间科学中心 | Miniature multi-channel floating ground negative high-voltage power supply |
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Effective date of registration: 20200727 Address after: Room 202, building 1, R & D building, 69 Donghuan South Road, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province 224000 Patentee after: China Express (Jiangsu) power battery system Co., Ltd Address before: Room 701, Block B, Building 6, Software Park, No. 5 Hope Avenue South Road, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province, 224000 Patentee before: China Express (Jiangsu) Technology Co.,Ltd. |
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