CN109120489B - Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology - Google Patents
Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology Download PDFInfo
- Publication number
- CN109120489B CN109120489B CN201811013072.4A CN201811013072A CN109120489B CN 109120489 B CN109120489 B CN 109120489B CN 201811013072 A CN201811013072 A CN 201811013072A CN 109120489 B CN109120489 B CN 109120489B
- Authority
- CN
- China
- Prior art keywords
- temperature
- wireless
- temperature field
- modbus
- battery
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention provides a wireless multipoint array type power battery temperature field test system based on a Modbus-ZigBee technology, which is used for measuring a temperature field in a power battery pack box of an electric automobile, transmitting a temperature field data signal embedded with a Modbus protocol to a battery management system for analysis, and then sending a corresponding adjusting action signal to a temperature adjusting actuator, and comprises the following steps: the wireless temperature measurement terminal array is arranged on a battery monomer in the battery pack box, the surface of the battery pack, an electrode connecting sheet and the inner wall and the outer wall of each heat flow channel and is used for measuring temperature and sending a temperature field data signal; the coordinator is in communication connection with the wireless temperature measuring terminal array through a ZigBee network and is used for receiving the temperature field data signals and embedding the temperature field data signals into a Modbus protocol for transmission; the WIFI module is used for forwarding a temperature field data signal embedded with a Modbus protocol; the wireless router is used for receiving and forwarding a temperature field data signal embedded with a Modbus protocol; and the upper computer is in communication connection with the wireless router through WIFI and is used for receiving the temperature field data signal embedded with the Modbus protocol.
Description
Technical Field
The invention belongs to the technical field of temperature field measurement, and particularly relates to a wireless multipoint array type power battery temperature field test system based on a Modbus-ZigBee technology.
Background
The development of electric vehicles has gained wide acceptance due to fossil energy scarcity and environmental protection issues. A high-capacity energy storage battery pack, which is one of the core components of an electric vehicle, requires a suitable working environment and a suitable temperature range for safe and stable operation, and therefore, a battery management system must monitor the operation state of the battery pack in real time. However, the following problems still exist in the current stage of monitoring the temperature of the power battery pack:
1. the space structure in the battery box is compact, when wired sensors are used for wiring and temperature measurement, more temperature collecting points are difficult to arrange, and the arrangement mode is complicated. The arrangement of the wired temperature sensor can also influence the operation conditions of structures such as an actual heat flow channel in the battery box, so that the temperature field condition under the actual operation condition of the power battery is influenced.
2. The number of temperature acquisition points in the power battery management system is very limited, and the temperature control strategy of the power battery management system is possibly defective without the support of multi-point temperature field data, so that the working uniformity and the service life of single power batteries are influenced.
3. Due to different material radiation characteristics of various components in the power battery box, when non-contact radiation temperature measurement modes such as infrared and the like are adopted for temperature measurement, the temperature measurement accuracy and precision are low, and the temperature field measurement in a three-dimensional space is difficult to carry out.
Therefore, it is desirable to design a test system that can solve the above problems.
Disclosure of Invention
The invention is made to solve the above problems, and an object of the invention is to provide a wireless multi-point array type power battery temperature field test system based on a Modbus-ZigBee technology.
The invention provides a wireless multipoint array type power battery temperature field test system based on a Modbus-ZigBee technology, which is used for measuring a temperature field in a power battery pack box of an electric automobile, transmitting a temperature field data signal embedded with a Modbus protocol to a battery management system for analysis, and then sending a corresponding adjusting action signal to a temperature adjusting actuator connected with the battery management system, and has the characteristics that: the wireless temperature measurement terminal array is arranged on the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel in the battery pack box, and is used for measuring the temperature of the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel in real time and sending a temperature field data signal; the coordinator is in communication connection with the wireless temperature measuring terminal array through a ZigBee network and is used for receiving the temperature field data signals and embedding a Modbus protocol into the temperature field data signals for transmission; the WIFI module is connected with the coordinator through a serial port and used for forwarding a temperature field data signal embedded with a Modbus protocol in a WIFI signal transmission mode; the wireless router is in communication connection with the WIFI module through WIFI and is used for receiving and forwarding the temperature field data signals embedded with the Modbus protocol and forwarded by the WIFI module; the upper computer is in communication connection with the wireless router through WIFI (wireless fidelity) and is used for receiving temperature field data signals embedded with a Modbus protocol, the wireless temperature measuring terminal array is provided with a temperature acquisition unit which is used for displaying real-time temperature field data and historical temperature field numerical curves of all temperature measuring points in a software interface, the wireless temperature measuring terminal array is provided with a plurality of wireless temperature measuring terminal monomers which are arranged in a geometric linear or circumferential array mode and embedded on a soft insulating carrier film, each wireless temperature measuring terminal monomer is provided with a power supply for supplying electric quantity, a ZigBee wireless communication unit for communication, a temperature sensor for measuring temperature and a control circuit for controlling the wireless temperature measuring terminal monomer to work, and the coordinator is also connected with the battery management system through a serial port and is used for transmitting the temperature field data signals embedded with the Modbus protocol to the battery management system for analysis.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: wherein, coordinator, WIFI module and wireless router all set up in the battery pack case outsidely.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: the outer surface of the wireless temperature measuring terminal monomer is packaged into a rigid ceramic insulator.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: wherein, the bottom area of the wireless temperature measuring terminal monomer is not more than 300mm2And the thickness of the high-integration module is not more than 7mm, and the high-integration module is cuboid or cylindrical.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: wherein, the distance between two adjacent wireless temperature measurement terminal monomers is not less than 15 mm.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: the soft insulating carrier film is bonded with the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel through heat-conducting silica gel.
In the wireless multipoint array type power battery temperature field test system based on the Modbus-ZigBee technology, the system can also have the following characteristics: the side of the soft insulating carrier film is provided with a lock catch used for fixing the wireless temperature measuring terminal monomer.
Action and Effect of the invention
According to the wireless multi-point array type power battery temperature field testing system based on the Modbus-ZigBee technology, the wireless temperature measuring terminal single bodies in the adopted wireless temperature measuring terminal array are small in size, so that high-density temperature measuring points can be arranged on the battery single bodies, the surface of a battery pack, electrode connecting sheets and the inner and outer walls of a heat flow pipeline. Because the transmission of the temperature field data signal adopts a wireless transmission mode, and the data transmission format is the Modbus protocol, the data transmission is greatly simplified, and the data transmission protocol format is widely accepted in engineering use. Because the arrangement of the temperature measuring points adopts an array high-density arrangement mode, the temperature measuring data can more truly reflect the temperature field characteristics of the surface of the battery and the heat flow space. Because the adopted wireless temperature measuring terminal monomer is provided with the built-in power supply unit, the transmission power of the data signal is high, the penetration capacity of data transmission is enhanced, and the wireless temperature measuring terminal monomer can be suitable for being used in the strong electromagnetic interference environment.
Therefore, the wireless multi-point array type power battery temperature field testing system based on the Modbus-ZigBee technology is simple in structure and few in required equipment, the wireless connection is adopted among the equipment, so that the steps during temperature measurement are concise and rapid, the uniformity of each monomer of the power battery pack is guaranteed, the service life is prolonged, the temperature measurement points can be arranged more conveniently and rapidly, the temperature measurement points can be flexibly and pertinently arranged as required, and meanwhile, the temperature fields of the surfaces of the single batteries and the heat flow channels in the power battery box can be accurately measured on the premise that the internal and external structures of the power battery box are not changed, so that the change of the temperature fields can be accurately known. In addition, real-time and accurate measurement of the temperature field of the power battery pack for the vehicle is a necessary measure for ensuring safe, stable and efficient operation of each energy storage device, and can be used as a basis for structural design of a battery box in heat management of the power battery.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a temperature field testing system according to an embodiment of the present invention;
FIG. 2 is a tree diagram of the temperature measurement layout process of the temperature field test system in an embodiment of the present invention;
FIG. 3(a) is a schematic diagram of an array arrangement of wireless temperature measuring terminals when measuring a temperature field of a cylindrical single battery in a temperature field measuring system according to an embodiment of the present invention;
fig. 3(b) is a schematic diagram of an array arrangement of wireless temperature measuring terminals when measuring a temperature field of a square single battery in the temperature field measuring system in the embodiment of the present invention;
fig. 3(c) is a schematic diagram of an array arrangement of wireless temperature measuring terminals when the temperature field of the battery pack is measured by the temperature field measuring system in the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a wireless temperature measurement unit in the temperature field testing system according to an embodiment of the present invention.
Detailed Description
In order to make the technical means and functions of the present invention easy to understand, the present invention is specifically described below with reference to the embodiments and the accompanying drawings.
Example (b):
fig. 1 is a schematic view of an overall structure of a temperature field testing system in an embodiment of the present invention, and fig. 2 is a tree diagram of a temperature measurement arrangement flow of the temperature field testing system in the embodiment of the present invention.
As shown in fig. 1 and fig. 2, the wireless multi-point array type power battery temperature field testing system 100 based on the Modbus-ZigBee technology is used for measuring a temperature field in a power battery pack box of an electric vehicle, transmitting a temperature field data signal embedded with a Modbus protocol to a battery management system 200 for analysis, and then sending a corresponding adjustment action signal to a temperature adjustment actuator connected to the battery management system. The method comprises the following steps: the system comprises a wireless temperature measuring terminal array 10, a coordinator 20, a WIFI module 30, a wireless router 40 and an upper computer 50.
The wireless temperature measuring terminal array 10 is installed on the single battery, the surface of the battery pack, the electrode connecting sheets and the inner and outer walls of each heat flow channel in the battery pack box, and is used for measuring the temperature of the single battery, the surface of the battery pack, the electrode connecting sheets and the inner and outer walls of each heat flow channel in real time and sending out temperature field data signals.
Fig. 3(a) is a schematic diagram of an array arrangement of wireless temperature measurement terminals when a temperature field of a cylindrical single battery is measured by a temperature field measurement system in an embodiment of the present invention, fig. 3(b) is a schematic diagram of an array arrangement of wireless temperature measurement terminals when a temperature field of a square single battery is measured by a temperature field measurement system in an embodiment of the present invention, fig. 3(c) is a schematic diagram of an array arrangement of wireless temperature measurement terminals when a temperature field of a battery pack is measured by a temperature field measurement system in an embodiment of the present invention, and fig. 4 is a schematic diagram of a composition structure of a wireless temperature measurement unit in a temperature field test system in.
As shown in fig. 3(a) -3 (c) and fig. 4, the wireless temperature measuring terminal array 10 has a plurality of wireless temperature measuring terminal units 101 embedded on a flexible insulating carrier film 102 in a geometric linear or circumferential array.
The side of the soft insulating carrier film 102 is provided with a latch 103 for fixing the wireless temperature measuring terminal unit 101.
And the soft insulating carrier film 102 is also bonded with the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel through heat-conducting silica gel, so that the thermal resistance is reduced, and the temperature measurement precision is improved.
The wireless temperature measurement terminal unit 101 has a power source 1011 for supplying power, a zigbee wireless communication unit 1012 for communication, a temperature sensor 1013 for measuring temperature, and a control circuit 1014 for controlling the operation of the wireless temperature measurement terminal unit 101.
The wireless temperature measuring terminal array 10 can adopt cylindrical battery monomers such as 18650, 26650, 26700, 32700 and 32134 specified by national standards or square battery monomers with the geometric dimensions of 20mm × 65mm × 138mm and 27mm × 135mm × 192mm, and battery packs or battery packs formed by the monomers to carry out multipoint temperature field measurement.
The control circuit 1014, the power source 1011, the temperature sensor 1013 and the ZigBee wireless communication unit 1012 are highly integrated and connected through a printed circuit board, so that the wireless temperature measuring terminal unit 101 is formed together. The power source 1011 supplies power to the control circuit 1014, the temperature sensor 1013 and the ZigBee wireless communication unit 1012, digital signals output by the temperature sensor 1013 are wirelessly transmitted to an external space via the ZigBee wireless communication unit 1012, and the control circuit 1014 coordinates and controls the power supply mode and data transmission of the ZigBee wireless communication unit 1012 and coordinates and controls the power supply mode of the temperature sensor 1013 and the start and stop of temperature measurement.
The base area of the wireless temperature measuring terminal unit 101 is not more than 300mm2And the thickness of the high-integration module is not more than 7mm, and the high-integration module is cuboid or cylindrical.
The distance between two adjacent wireless temperature measuring terminal single bodies 101 is not less than 15 mm.
The outer surface of the wireless temperature measuring terminal unit 101 is packaged by a rigid ceramic insulator.
And the coordinator 20 is in communication connection with the wireless temperature measuring terminal array 10 through a Zig-zag network, and is used for receiving the temperature field data signals, embedding a Modbus protocol into the temperature field data signals, and transmitting the Modbus protocol.
The coordinator 20 is also connected to the battery management system 200 via a serial port, and is configured to transmit the temperature field data signal embedded with the Modbus protocol to the battery management system 200 for analysis.
And the WIFI module 30 is connected with the coordinator 20 through a serial port and used for forwarding the temperature field data signal embedded with the Modbus protocol in a WIFI signal transmission mode.
And the wireless router 40 is in communication connection with the WIFI module 30 through WIFI, and is used for receiving and forwarding the temperature field data signal which is forwarded by the WIFI module 30 and embedded with the Modbus protocol.
The upper computer 50 is in communication connection with the wireless router 40 through WIFI, is used for receiving temperature field data signals embedded with a Modbus protocol, and is provided with a temperature acquisition unit used for displaying real-time temperature field data and historical temperature field numerical curves of all temperature measurement points in a software interface.
When carrying out temperature field measurement to battery monomer, group battery surface and electrode connection piece department, can directly install wireless temperature measurement terminal array 10 in battery monomer, group battery surface and electrode connection piece department, when carrying out temperature field measurement to the heat flow inslot, can arrange different temperature measurement point density in the different positions that are measured the temperature according to the measurement demand in actual temperature field, wireless temperature measurement terminal array 10's arrangement mode as follows:
the wireless temperature measurement terminal array 10 is formed by embedding and installing wireless temperature measurement terminal monomers 101 on an insulating embedding carrier 102 in an array arrangement mode, when the wireless temperature measurement terminal array 10 is arranged, the wireless temperature measurement terminal array 10 is wrapped or attached to a battery monomer, the surface of a battery pack and an electrode connecting sheet, the wireless temperature measurement terminal array 10 is fixedly attached to a surface to be measured by a fixing lock catch 103 on the insulating embedding carrier 102, and heat conduction thermal resistance can be reduced and temperature measurement precision can be improved by filling heat conduction silica gel between the wireless temperature measurement terminal array 10 and the surface to be measured.
The working process of the wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology is as follows:
in the wireless multi-point array type power battery temperature field testing system 100 based on the Modbus-ZigBee technology of this embodiment, when temperature measurement is performed, the wireless temperature measuring terminal array 10 is attached to the battery cell, the surface of the battery pack, the electrode connecting sheet, and the inner and outer walls of the heat flow pipeline according to the above steps, after the wireless temperature measuring terminal array 10 is arranged and powered on, and after all the other devices are powered on and run, the wireless temperature measuring terminal array 10 sends a networking request to the coordinator 20, and after networking is completed, after the coordinator 20 receives a sending command sent by the battery management module 60, the collected temperature field data signals are sent to the battery management module 60 at regular time according to a predetermined time length, when the coordinator 20 is connected to the WIFI module 30 through a serial port, after the coordinator 20 receives a sending command sent by the upper computer 50, the Modbus protocol is embedded into the temperature field data signals of each temperature measuring point and then uploaded to the upper computer 50 through the WIFI network, the temperature acquisition unit of the upper computer 50 can display the real-time temperature value and the historical temperature value curve of each temperature measurement point in a software interface.
Effects and effects of the embodiments
According to the wireless multi-point array type power battery temperature field testing system based on the Modbus-ZigBee technology, the wireless temperature measuring terminal single bodies in the wireless temperature measuring terminal array are small in size, so that high-density temperature measuring points can be arranged on the battery single bodies, the surface of a battery pack, electrode connecting sheets and the inner and outer walls of a heat flow pipeline. Because the transmission of the temperature field data signal adopts a wireless transmission mode, and the data transmission format is the Modbus protocol, the data transmission is greatly simplified, and the data transmission protocol format is widely accepted in engineering use. Because the arrangement of the temperature measuring points adopts an array high-density arrangement mode, the temperature measuring data can more truly reflect the temperature field characteristics of the surface of the battery and the heat flow space. Because the adopted wireless temperature measuring terminal monomer is provided with the built-in power supply unit, the transmission power of the data signal is high, the penetration capacity of data transmission is enhanced, and the wireless temperature measuring terminal monomer can be suitable for being used in the strong electromagnetic interference environment. Therefore, the wireless multi-point array type power battery temperature field testing system based on the Modbus-ZigBee technology is simple in structure and few in required equipment, the steps of temperature measurement operation are simple and quick due to the fact that wireless connection is adopted between the equipment, uniformity of all the units of the power battery pack is guaranteed, the service life is prolonged, the temperature measurement points can be arranged more conveniently and quickly, the temperature measurement points can be flexibly and pertinently arranged as required, meanwhile, accurate measurement can be conducted on the surfaces of the single batteries in the power battery box and the temperature field of a heat flow channel on the premise that the internal and external structures and the operation working conditions of the power battery box are not changed, and therefore changes of the temperature field can be accurately known. In addition, real-time and accurate measurement of the temperature field of the vehicle power battery pack is a necessary measure for ensuring safe, stable and efficient operation of each energy storage device, and can be used as a basis for structural design of a battery box in heat management of the power battery.
According to the wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology, the adopted wireless temperature measuring terminal monomer is the non-conductive rigid ceramic insulator, so that the short circuit of the anode and the cathode of the battery caused by falling can be avoided in the testing process.
According to the wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology, the soft insulating carrier membrane, the battery monomer, the surface of the battery pack, the electrode connecting sheets and the inner and outer walls of each heat flow channel are bonded by the heat-conducting silica gel, so that the thermal resistance can be reduced, and the temperature measurement precision is improved.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
The present embodiments may also be used for temperature field measurements of internal surface components and spaces of other energy storage devices, such as supercapacitors and the like.
Claims (7)
1. The utility model provides a wireless multiple spot array power battery temperature field test system based on Modbus-zigBee technique for measure the interior temperature field of electric automobile power battery group incasement, and will inlay the temperature field data signal transmission that has the Modbus agreement and carry out the analysis in battery management system, then to the temperature regulation executor of being connected with battery management system sends corresponding regulation action signal, its characterized in that includes:
the wireless temperature measurement terminal array is arranged on a single battery in the battery pack box, the surface of the battery pack, an electrode connecting sheet and the inner and outer walls of each heat flow channel, and is used for measuring the temperature fields of the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel in real time and sending temperature field data signals;
the coordinator is in communication connection with the wireless temperature measuring terminal array through a ZigBee network and is used for receiving the temperature field data signals and embedding a Modbus protocol into the temperature field data signals for transmission;
the WIFI module is connected with the coordinator through a serial port and used for forwarding the temperature field data signal embedded with the Modbus protocol in a WIFI signal transmission mode;
the wireless router is in communication connection with the WIFI module through WIFI and is used for receiving and forwarding the temperature field data signals embedded with the Modbus protocol and forwarded by the WIFI module; and
the upper computer is in communication connection with the wireless router through WIFI, is used for receiving the temperature field data signals embedded with Modbus protocols, is provided with a temperature acquisition unit used for displaying real-time temperature field data and numerical curves of historical temperature fields of various temperature measurement points in a software interface,
wherein the wireless temperature measuring terminal array is provided with a plurality of wireless temperature measuring terminal monomers which are arranged in a geometric linear or circumferential array way and embedded on a soft insulating carrier film,
the wireless temperature measuring terminal monomer is provided with a power supply for supplying electric quantity, a ZigBee wireless communication unit for communication, a temperature sensor for measuring temperature and a control circuit for controlling the wireless temperature measuring terminal monomer to work,
the coordinator is also connected with the battery management system through a serial port and is used for transmitting the temperature field data signals embedded with the Modbus protocol to the battery management system for analysis.
2. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
the coordinator, the WIFI module and the wireless router are all arranged outside the battery pack box.
3. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
and the outer surface of the wireless temperature measuring terminal monomer is packaged into a rigid ceramic insulator.
4. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
wherein the bottom area of the wireless temperature measuring terminal monomer is not more than 300mm2And the thickness of the high-integration module is not more than 7mm, and the high-integration module is cuboid or cylindrical.
5. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
and the distance between two adjacent wireless temperature measuring terminal monomers is not less than 15 mm.
6. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
and the soft insulating carrier film is bonded with the single battery, the surface of the battery pack, the electrode connecting sheet and the inner and outer walls of each heat flow channel through heat-conducting silica gel.
7. The wireless multipoint array type power battery temperature field testing system based on the Modbus-ZigBee technology according to claim 1, wherein:
the side of the soft insulating carrier film is provided with a lock catch used for fixing the soft insulating carrier film on the surface of an object to be subjected to temperature measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013072.4A CN109120489B (en) | 2018-08-31 | 2018-08-31 | Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013072.4A CN109120489B (en) | 2018-08-31 | 2018-08-31 | Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109120489A CN109120489A (en) | 2019-01-01 |
| CN109120489B true CN109120489B (en) | 2020-11-03 |
Family
ID=64861510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013072.4A Active CN109120489B (en) | 2018-08-31 | 2018-08-31 | Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109120489B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031110A (en) * | 2019-03-05 | 2019-07-19 | 安徽力高新能源技术有限公司 | A kind of infrared field evolution monitoring system and method for battery management system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255687U (en) * | 2011-10-28 | 2012-05-30 | 惠州市亿能电子有限公司 | Three-dimensional temperature field detection system for power battery box |
| CN104670031A (en) * | 2013-11-29 | 2015-06-03 | 国家电网公司 | Device and method for monitoring batteries of electric vehicle |
| CN105186610A (en) * | 2015-09-07 | 2015-12-23 | 湖北工业大学 | Battery management system and method based on wireless sensor network communication |
| CN107856559A (en) * | 2017-10-24 | 2018-03-30 | 西北工业大学 | A kind of power battery management system of electric automobile |
| JP2018073691A (en) * | 2016-11-01 | 2018-05-10 | 株式会社オートネットワーク技術研究所 | Vehicle battery monitoring device and vehicle battery monitoring system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2532872A (en) * | 2012-12-12 | 2016-06-01 | Tevva Motors Ltd | Range extender control |
-
2018
- 2018-08-31 CN CN201811013072.4A patent/CN109120489B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255687U (en) * | 2011-10-28 | 2012-05-30 | 惠州市亿能电子有限公司 | Three-dimensional temperature field detection system for power battery box |
| CN104670031A (en) * | 2013-11-29 | 2015-06-03 | 国家电网公司 | Device and method for monitoring batteries of electric vehicle |
| CN105186610A (en) * | 2015-09-07 | 2015-12-23 | 湖北工业大学 | Battery management system and method based on wireless sensor network communication |
| JP2018073691A (en) * | 2016-11-01 | 2018-05-10 | 株式会社オートネットワーク技術研究所 | Vehicle battery monitoring device and vehicle battery monitoring system |
| CN107856559A (en) * | 2017-10-24 | 2018-03-30 | 西北工业大学 | A kind of power battery management system of electric automobile |
Non-Patent Citations (1)
| Title |
|---|
| 电动汽车电池组智能管理及其无线传感器网络路由协议;蒋玮;《电力系统自动化》;20150925;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109120489A (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110061269B (en) | Online measuring device for current density and gas pressure distribution in fuel cell stack | |
| CN108736049B (en) | On-line measuring system for internal temperature and humidity of fuel cell | |
| CN103904381B (en) | Internal temperature of battery measurement apparatus | |
| CN104330743A (en) | Thermal runaway test analysis system for lithium ion battery | |
| AU2013376245A1 (en) | Battery monitoring device, power storage system, and control system | |
| CN204758692U (en) | Voltage detection device is floated to hall sensor temperature | |
| CN102680935B (en) | Intelligent current transformer system for online precision monitoring | |
| EP2524412A1 (en) | Methods and systems for measuring state of charge | |
| CN103245824A (en) | Non-contact D-dot voltage transformer and voltage detection self-correcting method thereof | |
| CN203100923U (en) | Online temperature measurement device for cable joint | |
| CN109120489B (en) | Wireless multi-point array type power battery temperature field test system based on Modbus-ZigBee technology | |
| CN203132708U (en) | Wireless temperature measurement sensor used for on-line detection of cable termination | |
| CN110015146B (en) | Multi-point array type power battery temperature field testing system based on RFID technology | |
| CN113834969A (en) | Direct access type direct current electric energy meter | |
| CN110057395B (en) | Temperature and humidity detection device inside fuel cell | |
| WO2015083208A1 (en) | Secondary battery module and secondary battery system provided with same | |
| CN208537087U (en) | A kind of wireless standard dynamometer for on-site test | |
| CN204925240U (en) | Hall sensor temperature is floated voltage compensation device and is converged flow box | |
| CN111366849A (en) | Multi-range high-precision battery testing host and battery testing system | |
| CN202975280U (en) | Measurement and control system for storage batteries | |
| CN102768079A (en) | Wireless temperature measurement system for hot environment | |
| CN109188286A (en) | A kind of determination method and device of battery system temperature difference influence factor | |
| CN212747695U (en) | Boiler expansion indicating device based on laser ranging | |
| CN115046626A (en) | Power equipment monitoring device and method based on vibration signals | |
| CN114440974A (en) | Battery expansion displacement and temperature in-situ measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |