CN106908164A - Internal combustion engine temperature wireless measurement apparatus - Google Patents
Internal combustion engine temperature wireless measurement apparatus Download PDFInfo
- Publication number
- CN106908164A CN106908164A CN201710032026.8A CN201710032026A CN106908164A CN 106908164 A CN106908164 A CN 106908164A CN 201710032026 A CN201710032026 A CN 201710032026A CN 106908164 A CN106908164 A CN 106908164A
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- Prior art keywords
- wireless
- sending module
- piston
- module
- internal combustion
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
- G01M15/048—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2219/00—Thermometers with dedicated analog to digital converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of internal combustion engine temperature wireless measurement apparatus for belonging to technical field of internal combustion engines, including resistance temperature detector, Teflon wire, wireless sending module, reception antenna, data reception module, computer, wireless sending module is using High temperature epoxy resinses glue sticking on connecting rod shank, switch is connected with wireless sending module, reception antenna is stretched into engine cylinder by the telltale hole that oil pan is processed, reception antenna is connected with data reception module, and data reception module is connected with computer.The present invention proposes the wireless measurement method and device of measurement internal combustion engine based on Bluetooth transmission, increased the reliability of measurement, reduces measurement difficulty.The present invention is reasonable in design, practical, with engineering application value higher, it is adaptable to the real-time measurement of piston face temperature, is easy to Performance Evaluation and Optimal improvements under piston difference operating mode.
Description
Technical field
The present invention relates to Engine Block Test technical field, particularly a kind of internal combustion engine temperature based on Bluetooth wireless transmission
Degree measurement apparatus.
Background technology
With the enhancing and the implementation of tightened up Abgasgesetz of people's environmental consciousness, manufacturers of engines is to engine thermal
The requirement more and more higher of efficiency.Although engineers reach the mesh for reducing piston mass and friction by reducing piston thickness
, but intensity and durability so to piston proposes requirement higher.Meanwhile, the direct-injection mode for using at present needs and presses
Contracting is than being configured fuel economy and low emission to meet engine to the full extent.As one in pistons work
Key factor, temperature can intuitively show performance of the piston under different operating modes very much.Determine to live by the temperature field of piston
The temperature boundary condition of plug, is input in necessary simulation model, can go out piston optimization to engine performance with comprehensive assessment
Influence.
Current engine piston temperature survey in addition to traditional hardness method and fusible alloy method, mainly using thermocouple
Or the measuring system of the electronic circuit composition of thermistor and correlation is measured in real time, primarily now there is following several method：
First, wired measuring method
Wired measuring method is the traditional metering system of comparing, after installing thermocouple on piston, directly passes through connecting rod and rotation
Arm mechanism draws temperature signal.But need to carry out larger transformation to engine using wired mode, in addition, under rotating speed high,
Wire is easy to abrasion causes thrashing.
2nd, radio measurements
For radio measurements, following several forms are primarily present at present：Excitation-type wireless measurement based on analog circuit
System.Precision using the method is very low, and this method needs to install magnet exciting coil on piston.The volume of coil makes more greatly
The quantity for obtaining measuring point is very limited.Simultaneously as the magnetic induction transmission signal for using, antijamming capability is weak.In addition, a kind of mode
It is the mode of operation of the use black box as described by the U of patent CN 202329851, is encapsulated in temperature acquisition system before experiment
On piston, data storage during experiment is taken out memory and reads test data in device, after terminating.The main of this method lacks
Point is cannot in real time to obtain temperature data, just in case occur in running abnormal, it is impossible to make a response in time.A kind of last mode
It is a kind of digital radio measuring system as described by the U of patent CN 20253105 and the A of CN 104949768, but patent CN
20253105 U are not described the installation method of measuring system.Due to engine operationally internal high temperature degree, strong impact force
Complex environment, the installation of module and method for arranging are most important to its reliability.The A of CN 104949768 provide one kind certainly
Powered, wireless telemetering equipment, can solve the problem that supplying cell high speed piston motion in some unreliable problems and reach lasting work
The purpose of work.But its pcb board is installed on piston has certain challenge, first, the temperature of piston cavity to the work of system
Spend (200 DEG C) higher, electronic component failure on circuit board may be made；Then, run in piston rod and crank mechanism
Cheng Zhong, the inertia force suffered by piston is maximum, and at a high temperature of 200 DEG C degrees Celsius, the intensity of bonded adhesives can significantly decline, PCB
There is the risk for coming off in the fixed of plate；Finally, by module be placed in piston cavity can influence cooling atomizer oil spout is carried out to piston
Cool down and to microcephaly's bearing and the lubrication of piston, influence the normal work of piston.
The content of the invention
A kind of deficiency of the present invention for said apparatus, there is provided internal combustion engine temperature wireless measurement apparatus, solves
During wired measuring, internal combustion engine state lower piston is constantly in high-speed motion, it is necessary to design special lead
Device derives holding wire, and wire is easily lost, and then causes the problem of measurement failure, increased the reliability of measurement, reduces
Measurement difficulty.
The present invention is achieved through the following technical solutions, cylinder cap of the present invention, cylinder body, oil sump, piston, resistance temperature
Detector, Teflon wire, wireless sending module, switch, reception antenna, data reception module, computer, signal catheter, line
Beam, cylinder cap, cylinder body, oil sump constitute engine body together, and piston is arranged in cylinder body, polylith resistance temperature detector difference
It is arranged on the inner chamber of piston, wireless sending module and battery are fixed on connecting rod middle part by High temperature epoxy resinses glue, open
Close and big end position be fixed on by High temperature epoxy resinses glue, wireless sending module pass through Teflon wire respectively with resistance temperature
Degree detector, switch are connected, and signal catheter is arranged on oil sump, and one end of reception antenna is stretched into by signal catheter and started
In machine, the other end of reception antenna is connected with data reception module, is connected by wire harness between data reception module, computer
Connect.
Further, in the present invention, the method for arranging of resistance temperature detector is：According to threedimensional model from piston
Blind hole is beaten in chamber to tested point position, and resistance temperature detector is embedded, gap with heat-conducting silicone grease fill, using screw by its
It is fixed on piston.
Further, in the present invention, resistance temperature detector is connected using four-wire system with wireless sending module, wirelessly
Communication modes use bluetooth 4.0BLE patterns；The circuit board of wireless sending module is wrapped up using thermal sleeve, and battery uses high temperature resistant
Battery, inside is fixed using the epoxide-resin glue of high-strength high temperature-resistant, and shell is using flexible copper sheet encapsulation；Wireless sending module has
There is idle function, when interruption is used, sending module can be made in the case where not dismantling in a dormant state, maximum limitation
Save electricity.
Beneficial effects of the present invention：This measurement apparatus wirelessly measures internal combustion engine temperature, with wired mode
Compare, it is not necessary to for the secondary special design thread guide devices of high-speed motion, also in the absence of the problem of losing of wire, and install relative
It is more convenient；Compared with existing installation method, the more existing installation method of the present invention is more stable more reliable, and hair can be ensured completely
(3000-4000rpm) still can be with normal work under middle rotating speed high to send module；Wireless sending module use the chip of low-power consumption with
And high-precision resistance temperature detector and high-resolution ADC chips, and with standby ability, high precision and cruising time
It is long；Using much channel communication, real-time data transmission, display in real time, real-time storage, measurement points are more and real-time.
Brief description of the drawings
Fig. 1 is measuring system schematic diagram of the invention；
Fig. 2 is operation principle schematic diagram of the invention；
Wherein：1st, cylinder cap, 2, cylinder body 3, oil sump, 4, piston, 5, resistance temperature detector, 6, Teflon wire, 7, nothing
Line sending module, 8, switch, 9, reception antenna, 10, data reception module, 11, computer, 12, signal catheter, 13, wire harness.
Specific embodiment
The embodiment of the present invention is elaborated below in conjunction with the accompanying drawings, the present embodiment premised on technical solution of the present invention,
Detailed implementation method and specific operating process is given, but protection scope of the present invention is not limited to following embodiments.
Embodiment
Embodiments of the invention are as illustrated, the present invention includes that cylinder cap 1, cylinder body 2, oil sump 3, piston 4, resistance temperature are visited
Survey device 5, Teflon wire 6, wireless sending module 7, switch 8, reception antenna 9, data reception module 10, computer 11, signal
Conduit 12, wire harness 13, cylinder cap 1, cylinder body 2, oil sump 3 constitute engine body together, and piston 4 is arranged in cylinder body 2, polylith electricity
Resistance hygrosensor 5 is arranged on the inner chamber of piston 4, and wireless sending module 7 and battery are solid by High temperature epoxy resinses glue
Connecting rod middle part is scheduled on, switch 8 is fixed on big end position by High temperature epoxy resinses glue, and wireless sending module 7 passes through
Teflon wire 6 is connected with resistance temperature detector 5, switch 8 respectively, and signal catheter 12 is arranged on oil sump 3, receives day
One end of line 9 is stretched into engine by signal catheter 12, and the other end of reception antenna 9 is connected with data reception module 10,
It is connected by wire harness 13 between data reception module 10, computer 11.
Fundamental diagram of the invention as shown in Fig. 2：First, after unloading oil sump 3, wireless sending module 7 is opened, is allowed
It is in holding state, after preparation is finished, loads onto oil pan 3, adds lubricating oil, soft by host computer in computer 11
Part sends commands to data reception module 10, and data reception module 10 is waken up by being sent to the wireless sending module 7 on connecting rod
Order, after wireless sending module 7 starts normal work, starts test engine, and data reception module 10 is by all of signal number
Computer 11 is transmitted to according to by USB wiring, computer 11 shows the temperature on piston by upper computer software in real time, and is deposited
Storage.After measurement is finished, it is possible to use the upper computer software of computer 11 is sent out by data reception module 10 to wireless sending module
Dormancy instruction is sent, wireless sending module is transferred to resting state, save electricity.
The invention provides a kind of wireless measurement device of piston temperature, solve using during wired measuring, start
Machine working condition lower link is constantly in high-speed motion with bent axle, it is necessary to which designing special thread guide devices derives holding wire,
Wire is easily lost, and then causes the problem of measurement failure；And it is not strong using indirect method real-time, dismounting is extremely onerous, and
The low problem of precision；The reliability of measurement is increased, measurement difficulty is reduced；And propose hardware switch and standby mode knot
The province of conjunction electrically, greatly improves the cruising time of test system.
What the present invention was illustrated by specific implementation process, without departing from the present invention, can also be right
Patent of the present invention carries out various conversion and equivalent replacement, therefore, patent of the present invention is not limited to disclosed specific implementation process,
And the whole embodiments fallen into scope of the patent claims of the present invention should be included.
Claims (3)
1. a kind of internal combustion engine temperature wireless measurement apparatus, including cylinder cap (1), cylinder body (2), oil sump (3), piston (4), cylinder
Lid (1), cylinder body (2), oil sump (3) constitute engine body together, and piston (4) is arranged in cylinder body (2), it is characterised in that
Also include resistance temperature detector (5), Teflon wire (6), wireless sending module (7), switch (8), reception antenna (9), number
According to receiver module (10), computer (11), signal catheter (12), wire harness (13), polylith resistance temperature detector (5) is respectively arranged
On the inner chamber of piston (4), wireless sending module (7) and battery are fixed on connecting rod middle part by High temperature epoxy resinses glue,
Switch (8) is fixed on big end position by High temperature epoxy resinses glue, and wireless sending module (7) is by Teflon wire (6)
It is connected with resistance temperature detector (5), switch (8) respectively, signal catheter (12) is arranged on oil sump (3), reception antenna
(9) one end is stretched into engine by signal catheter (12), the other end and data reception module (10) phase of reception antenna (9)
Connection, is connected between data reception module (10), computer (11) by wire harness (13).
2. internal combustion engine temperature wireless measurement apparatus according to claim 1, it is characterised in that the resistance temperature is visited
Survey device (5) method for arranging be：Blind hole is beaten to tested point position from the inner chamber of piston (4) according to threedimensional model, resistance temperature
Detector (5) is embedded, and gap is filled with heat-conducting silicone grease, is fixed on piston using screw.
3. internal combustion engine temperature wireless measurement apparatus according to claim 2, it is characterised in that the resistance temperature is visited
Survey device (5) to be connected with wireless sending module (7) using four-wire system, wireless communication mode uses bluetooth 4.0BLE patterns；Wireless hair
The circuit board of module (7) is sent to be wrapped up using thermal sleeve, battery uses high temperature resistant battery, inside uses the epoxy of high-strength high temperature-resistant
Resin glue is fixed, and shell is using flexible copper sheet encapsulation；Wireless sending module (7) with idle function, when interruption is used, can be with
Make sending module in the case where not dismantling in a dormant state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032026.8A CN106908164A (en) | 2017-01-17 | 2017-01-17 | Internal combustion engine temperature wireless measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032026.8A CN106908164A (en) | 2017-01-17 | 2017-01-17 | Internal combustion engine temperature wireless measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106908164A true CN106908164A (en) | 2017-06-30 |
Family
ID=59206756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710032026.8A Pending CN106908164A (en) | 2017-01-17 | 2017-01-17 | Internal combustion engine temperature wireless measurement apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN106908164A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375427A (en) * | 2018-01-23 | 2018-08-07 | 武汉理工大学 | Engine piston temperature field telemetry system Calibrating experimental bench |
| CN109520656A (en) * | 2017-09-19 | 2019-03-26 | 上汽通用汽车有限公司 | Engine link force measuring device |
| CN113027608A (en) * | 2021-04-06 | 2021-06-25 | 华中科技大学 | Internal combustion engine piston top surface transient temperature remote measuring system and installation method thereof |
| CN113062796A (en) * | 2021-03-16 | 2021-07-02 | 昆明理工大学 | Internal combustion engine piston monitoring system with inductive power supply |
| CN113153687A (en) * | 2021-03-09 | 2021-07-23 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN113310614A (en) * | 2021-05-26 | 2021-08-27 | 上海交通大学 | System and method for measuring friction force of low-speed machine for ship |
| CN113324668A (en) * | 2021-05-07 | 2021-08-31 | 华中科技大学 | Wireless temperature measurement controller for high-frequency acquisition of transient temperature on surface of piston of internal combustion engine |
| CN113654808A (en) * | 2021-08-05 | 2021-11-16 | 天津内燃机研究所（天津摩托车技术中心） | Wireless transmission device for measuring information in cylinder liner of internal combustion engine and installation method thereof |
| CN114051181A (en) * | 2021-11-09 | 2022-02-15 | 天津大学 | Device and method for wirelessly transmitting measurement information in cylinder body of internal combustion engine |
| CN114173217A (en) * | 2021-11-09 | 2022-03-11 | 天津大学 | Wireless data transmission device and method for measurement information in piston of internal combustion engine cylinder |
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|---|---|---|---|---|
| CN102156005A (en) * | 2011-03-15 | 2011-08-17 | 华中科技大学 | Universal piston temperature measuring device for combustion engine |
| CN202329851U (en) * | 2011-11-17 | 2012-07-11 | 华中科技大学 | Universal piston temperature measurement device |
| CN102853930A (en) * | 2012-08-24 | 2013-01-02 | 大连交通大学 | Transient temperature measuring system for diesel engine piston and measuring method thereof |
| CN104949768A (en) * | 2015-07-02 | 2015-09-30 | 济南大学 | Self-powered wireless telemetering device for temperature of piston of internal combustion engine |
-
2017
- 2017-01-17 CN CN201710032026.8A patent/CN106908164A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156005A (en) * | 2011-03-15 | 2011-08-17 | 华中科技大学 | Universal piston temperature measuring device for combustion engine |
| CN202329851U (en) * | 2011-11-17 | 2012-07-11 | 华中科技大学 | Universal piston temperature measurement device |
| CN102853930A (en) * | 2012-08-24 | 2013-01-02 | 大连交通大学 | Transient temperature measuring system for diesel engine piston and measuring method thereof |
| CN104949768A (en) * | 2015-07-02 | 2015-09-30 | 济南大学 | Self-powered wireless telemetering device for temperature of piston of internal combustion engine |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520656A (en) * | 2017-09-19 | 2019-03-26 | 上汽通用汽车有限公司 | Engine link force measuring device |
| CN108375427A (en) * | 2018-01-23 | 2018-08-07 | 武汉理工大学 | Engine piston temperature field telemetry system Calibrating experimental bench |
| CN113153687A (en) * | 2021-03-09 | 2021-07-23 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN113153687B (en) * | 2021-03-09 | 2022-10-25 | 西安交通大学 | Piston temperature measuring system of liquid-driven piston compressor |
| CN113062796A (en) * | 2021-03-16 | 2021-07-02 | 昆明理工大学 | Internal combustion engine piston monitoring system with inductive power supply |
| CN113027608A (en) * | 2021-04-06 | 2021-06-25 | 华中科技大学 | Internal combustion engine piston top surface transient temperature remote measuring system and installation method thereof |
| CN113324668A (en) * | 2021-05-07 | 2021-08-31 | 华中科技大学 | Wireless temperature measurement controller for high-frequency acquisition of transient temperature on surface of piston of internal combustion engine |
| CN113310614B (en) * | 2021-05-26 | 2022-06-24 | 上海交通大学 | System and method for measuring friction force of low-speed machine for ship |
| CN113310614A (en) * | 2021-05-26 | 2021-08-27 | 上海交通大学 | System and method for measuring friction force of low-speed machine for ship |
| CN113654808A (en) * | 2021-08-05 | 2021-11-16 | 天津内燃机研究所（天津摩托车技术中心） | Wireless transmission device for measuring information in cylinder liner of internal combustion engine and installation method thereof |
| CN114051181A (en) * | 2021-11-09 | 2022-02-15 | 天津大学 | Device and method for wirelessly transmitting measurement information in cylinder body of internal combustion engine |
| CN114173217A (en) * | 2021-11-09 | 2022-03-11 | 天津大学 | Wireless data transmission device and method for measurement information in piston of internal combustion engine cylinder |
| CN114173217B (en) * | 2021-11-09 | 2022-11-04 | 天津大学 | Wireless data transmission device and method for measurement information in piston of internal combustion engine cylinder |
| CN114051181B (en) * | 2021-11-09 | 2023-09-12 | 天津大学 | Device and method for wirelessly transmitting measurement information in cylinder body of internal combustion engine |
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Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |