CN205620044U - Motor temperature measuring device of electrodynamic balance car - Google Patents
Motor temperature measuring device of electrodynamic balance car Download PDFInfo
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- CN205620044U CN205620044U CN201620450148.XU CN201620450148U CN205620044U CN 205620044 U CN205620044 U CN 205620044U CN 201620450148 U CN201620450148 U CN 201620450148U CN 205620044 U CN205620044 U CN 205620044U
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Abstract
The utility model relates to a motor temperature measuring device of electrodynamic balance car, including singlechip U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit of dress on the motor of electrodynamic balance car, resistance R1's one end and power supply are connected, and the other end and resistance R2's one end electricity is connected, and resistance R2's the other end while is connected with electric capacity C1's the IO mouth that one end is corresponding with singlechip U1, electric capacity C1's other end ground connection, temperature measuring unit's both ends are connected with resistance R1's the other end and electric capacity C1's one end electricity respectively, the temperature measuring unit that constitute of temperature measuring unit in by following three kinds temperature measurement structures: the temperature measuring unit of first kind of structure includes temperature sensor T, the temperature measuring unit of second kind structure is including the diode of establishing ties, the temperature measuring unit of tertium genus structure is including the triode of establishing ties. The utility model discloses can the inside temperature of real -time supervision motor for high temperature electrical safety performance is high, improves safe in utilizationly.
Description
Technical field
This utility model relates to a kind of temperature measuring equipment, is specifically related to the electric motor temp device of a kind of electrodynamic balance car.
Background technology
Electrodynamic balance car, also known as " swing car " or " body-sensing car ", is the most popular a kind of new green environment protection walking-replacing tool.But along with perfect, the expansion of world market, while technology constantly maturation, electrodynamic balance car uses security incident also to happen occasionally.Such as Britain, the balance car high temperature explosion accident of the U.S., the safe handling problem that in domestic equilibrium car ride, unexpected power-off causes.Product checking means are had higher requirement by the popular electrical security to swing car, reliability, and manufacturer.At present the most single to the detection means of swing car motor internal temperature technically, the electric security performance of high temperature is the highest.
The high temperature detection means used on the motor of electrodynamic balance car at present is built-in temperature switch.Once motor internal temperature reaches temperature switch threshold value, cuts off hall device output, and motor stops, and reaches to protect purpose.The temperature switch of this kind of structure is a kind of bimetal leaf temperature switch as temperature-sensing element; electrical equipment is when normally working; bimetal leaf is in free state; contact is in Guan Bi/off-state; when temperature is increased to operating temperature value, bimetallic element is heated generation internal stress and rapidly action, opened/closed contact; it is switched off/on circuit, thus plays heat protective effect.
The detection means of above-mentioned motor internal temperature has certain disadvantages:
The first, draw without temperature signal due to motor internal, it is impossible to monitor the motor internal temperature of swing car in real time, it is achieved temperature monitoring.Temperature switch is connected at motor internal and hall device, and external control part cannot detect motor temperature, forms feedback.
The second, in the protection moment of temperature switch action, motor meeting jerk, easily there is security incident.If travelled at high speeds, in the case of temperature is too high, there is jerk in motor, easily hurts end user.
3rd, batch production motor temperature test and comparison difficulty.I.e. swing car manufacturer need to test its temperature switch reliability at relatively high temperatures, increases testing cost and difficulty.
4th, the temperature protection scope of temperature switch is little.It is applied to the temperature switch in swing car at present typically within 0 ~ 130 DEG C of scope.
5th, the change of protection value is dumb, needs again to match motor.
6th, maintenance cost is higher.
Summary of the invention
The purpose of this utility model is: provides one can monitor motor internal temperature in real time so that high temperature electrical safety performance is high, improves the electric motor temp device of the electrodynamic balance car using safety, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model is: the electric motor temp device of a kind of electrodynamic balance car, including single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；
Described temperature measuring unit is by a kind of the constituted temperature measuring unit in following three kinds of temperature measurement structures:
The temperature measuring unit of the first structure, including temperature sensor T, one end of described temperature sensor T electrically connects with the other end of resistance R1, the other end of temperature sensor T and the other end electrical connection of electric capacity C1；
The temperature measuring unit of the second structure, including diode D1, diode D2 and the diode D3 of series connection, the two ends of the series circuit being made up of described diode D1, diode D2 and diode D3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively；
The temperature measuring unit of the third structure, including audion Q1, audion Q2 and the audion Q3 of series connection, the two ends of the series circuit being made up of described audion Q1, audion Q2 and audion Q3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively.
In technique scheme, in the temperature measuring unit of the first structure, described temperature sensor T is critesistor or thermocouple or platinum resistance.
In technique scheme, in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 are NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the colelctor electrode of audion Q1 simultaneously, the emitter stage of audion Q1 electrically connects with the base stage of audion Q2 and the colelctor electrode of audion Q2 simultaneously, the emitter stage of audion Q2 electrically connects with the base stage of audion Q3 and the colelctor electrode of audion Q3 simultaneously, and the emitter stage of audion Q3 electrically connects with the other end of electric capacity C1.
In technique scheme, in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 are NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the emitter stage of audion Q1 simultaneously, the colelctor electrode of audion Q1 electrically connects with the base stage of audion Q2 and the emitter stage of audion Q2 simultaneously, the colelctor electrode of audion Q2 electrically connects with the base stage of audion Q3 and the emitter stage of audion Q3 simultaneously, and the colelctor electrode of audion Q3 electrically connects with the other end of electric capacity C1.
In technique scheme, in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 are PNP type triode, the emitter stage of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the colelctor electrode of audion Q1 and the emitter stage of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the colelctor electrode of audion Q2 and the emitter stage of audion Q3 simultaneously, and the base stage of audion Q3 electrically connects with the colelctor electrode of audion Q3 and the other end of electric capacity C1 simultaneously.
In technique scheme, in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 are PNP type triode, the colelctor electrode of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the emitter stage of audion Q1 and the colelctor electrode of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the emitter stage of audion Q2 and the colelctor electrode of audion Q3 simultaneously, and the base stage of audion Q3 electrically connects with the emitter stage of audion Q3 and the other end of electric capacity C1 simultaneously.
The good effect that this utility model is had is: after using the electric motor temp device of electrodynamic balance car of the present utility model, owing to this utility model includes single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；Described temperature measuring unit is by a kind of the constituted temperature measuring unit in following three kinds of temperature measurement structures: the temperature measuring unit of the first structure is by the internal real time temperature of temperature sensor detection output motor, i.e. include temperature sensor T, one end of described temperature sensor T electrically connects with the other end of resistance R1, the other end of temperature sensor T and the other end electrical connection of electric capacity C1；The temperature measuring unit of the second structure is to use the structure of diode tube pressuring drop to detect in real time and the internal real time temperature of output motor, i.e. including diode D1, diode D2 and the diode D3 of series connection, the two ends of the series circuit being made up of described diode D1, diode D2 and diode D3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively；The temperature measuring unit of the third structure is to use audion cascaded structure to detect in real time and the internal real time temperature of output motor, i.e. including audion Q1, audion Q2 and the audion Q3 of series connection, the two ends of the series circuit being made up of described audion Q1, audion Q2 and audion Q3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively；This utility model has the advantage, that first, motor due to electrodynamic balance car is provided with temperature measuring unit, and such motor internal just can draw temperature signal, it becomes possible to the motor internal temperature real-time monitored, it is achieved temperature value exports in real time.Temperature switch is connected at motor internal and hall device, and external control part cannot detect motor temperature, forms feedback.The real time temperature of the motor internal that the second, described single-chip microcomputer U1 monitors according to temperature measuring unit; export different control signals and control the corresponding action of motor; avoid the protection moment in temperature switch action in prior art, motor meeting jerk, the situations such as security incident easily occur.3rd, improve high temperature electrical safety performance of the present utility model, it is ensured that the use safety of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first detailed description of the invention of this utility model；
Fig. 2 is the structural representation of this utility model the second detailed description of the invention；
Fig. 3 is the structural representation of the third detailed description of the invention of this utility model；
Fig. 4 is the structural representation of the 4th kind of detailed description of the invention of this utility model；
Fig. 5 is the structural representation of the 5th kind of detailed description of the invention of this utility model；
Fig. 6 is the structural representation of the 6th kind of detailed description of the invention of this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that is given, this utility model is further described, but is not limited thereto.
Embodiment 1
As it is shown in figure 1, the electric motor temp device of a kind of electrodynamic balance car, including single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit 1 being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；
Described temperature measuring unit 1 includes that temperature sensor T, one end of described temperature sensor T electrically connect with the other end of resistance R1, the other end of temperature sensor T and the other end electrical connection of electric capacity C1；
Temperature sensor T described in the utility model is critesistor or thermocouple or platinum resistance.
It is illustrated in figure 1 and carries out motor temperature collection by critesistor, on the stator of the motor that critesistor is arranged on electrodynamic balance car, so, critesistor can detect and output voltage signal, single-chip microcomputer U1 process is given after resistance R2 and electric capacity C1 filters, utilize the thermistor temp characteristic curve used, set up deserved temperature-resistance relation.
Embodiment 2
As in figure 2 it is shown, the electric motor temp device of a kind of electrodynamic balance car, including single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit 1 being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；
Described temperature measuring unit 1 includes diode D1, diode D2 and the diode D3 of series connection, and the two ends of the series circuit being made up of described diode D1, diode D2 and diode D3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively.
As in figure 2 it is shown, utilize diode forward conduction voltage drop temperature characterisitic to realize temperature acquisition.The diode series circuit being made up of diode D1, diode D2 and diode D3 realizes amplifying the voltage difference that variations in temperature causes, and improves sampling sensitivity.Described resistance R2 and electric capacity C1 realizes the filtering of sampled signal.Described resistance R1 is pull-up resistor, is that diode produces driving electric current for dividing potential drop.
Embodiment 3
The electric motor temp device of a kind of electrodynamic balance car, including single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit 1 being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；
Described temperature measuring unit 1 includes audion Q1, audion Q2 and the audion Q3 of series connection, and the two ends of the series circuit being made up of described audion Q1, audion Q2 and audion Q3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively.
As shown in Figure 3, if audion Q1, audion Q2 and audion Q3 are NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the colelctor electrode of audion Q1 simultaneously, the emitter stage of audion Q1 electrically connects with the base stage of audion Q2 and the colelctor electrode of audion Q2 simultaneously, the emitter stage of audion Q2 electrically connects with the base stage of audion Q3 and the colelctor electrode of audion Q3 simultaneously, and the emitter stage of audion Q3 electrically connects with the other end of electric capacity C1.
As shown in Figure 4, if audion Q1, audion Q2 and audion Q3 are NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the emitter stage of audion Q1 simultaneously, the colelctor electrode of audion Q1 electrically connects with the base stage of audion Q2 and the emitter stage of audion Q2 simultaneously, the colelctor electrode of audion Q2 electrically connects with the base stage of audion Q3 and the emitter stage of audion Q3 simultaneously, and the colelctor electrode of audion Q3 electrically connects with the other end of electric capacity C1.
As shown in Figure 5, if audion Q1, audion Q2 and audion Q3 are PNP type triode, the emitter stage of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the colelctor electrode of audion Q1 and the emitter stage of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the colelctor electrode of audion Q2 and the emitter stage of audion Q3 simultaneously, and the base stage of audion Q3 electrically connects with the colelctor electrode of audion Q3 and the other end of electric capacity C1 simultaneously.
As shown in Figure 6, if audion Q1, audion Q2 and audion Q3 are PNP type triode, the colelctor electrode of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the emitter stage of audion Q1 and the colelctor electrode of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the emitter stage of audion Q2 and the colelctor electrode of audion Q3 simultaneously, and the base stage of audion Q3 electrically connects with the emitter stage of audion Q3 and the other end of electric capacity C1 simultaneously.
As shown in Figure 3,4, audion in described temperature measuring unit 1 is NPN type triode, as shown in Figure 5,6, audion in described temperature measuring unit 1 is PNP type triode, temperature measuring unit 1 in embodiment 3 is arranged on the stator three phase excitation winding surface of the motor of electrodynamic balance car, it is achieved output voltage signal continuously.Resistance R2 and electric capacity C1 realizes the filtering of sampled signal.Described resistance R1 is pull-up resistor, drives electric current for producing for audion.
Embodiment 2 of the present utility model and embodiment 3 are all that the temperature voltage curve utilizing PN junction is to realize temperature detection.When temperature raises, the forward voltage drop of diode will reduce, and often increase by 1 DEG C, and forward voltage drop about reduces 2mV, i.e. has negative temperature coefficient.According to the dynatron performance used, draw its temperature-tube voltage drop relation curve by experiment measurement, set up synopsis.
If temperature measuring unit 1 described in the utility model detects motor internal temperature, during i.e. collecting temperature ＜ 105 DEG C, the control signal that then single-chip microcomputer U1 output balance car is properly functioning, if temperature measuring unit 1 described in the utility model detects motor internal temperature, during i.e. 105 DEG C ＜ collecting temperature ＜ 130 DEG C, then single-chip microcomputer U1 output control signal makes motor shake and sends the control signal of warning, otherwise, single-chip microcomputer U1 output power-off stops control signal.To reach the purpose of workflow flexibility.
This utility model has the advantage, that
The first, by the actual temp within the temperature measuring unit motor in real time that is arranged on motor, realize balance car (swing car) Discrete control at high operating temperatures, this workflow flexibility mode, contrast prior art in temperature switch mode, relatively reliable efficiently.
The second, drawing due to temperature signal line, can be easy to carry out temperature test by the controller of electrodynamic balance car, production is more efficient.
3rd, high temperature electrical safety performance is high, and the device that above scheme is selected is relatively cheap, and practicality is higher, improves the use safety of user.
4th, temperature protection of the present utility model point can be arranged flexibly by single-chip microcomputer U1.
Claims (6)
1. the electric motor temp device of an electrodynamic balance car, it is characterised in that: include single-chip microcomputer U1, resistance R1, resistance R2, electric capacity C1 and the temperature measuring unit (1) being contained on the motor of electrodynamic balance car；One end of described resistance R1 is connected with power supply, and the other end of resistance R1 electrically connects with one end of resistance R2, and the other end of described resistance R2 connects with one end of electric capacity C1 and the corresponding I/O port of single-chip microcomputer U1 simultaneously, another termination power ground of described electric capacity C1；
Described temperature measuring unit (1) is by a kind of the constituted temperature measuring unit in following three kinds of temperature measurement structures:
The temperature measuring unit of the first structure, including temperature sensor T, one end of described temperature sensor T electrically connects with the other end of resistance R1, the other end of temperature sensor T and the other end electrical connection of electric capacity C1；
The temperature measuring unit of the second structure, including diode D1, diode D2 and the diode D3 of series connection, the two ends of the series circuit being made up of described diode D1, diode D2 and diode D3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively；
The temperature measuring unit of the third structure, including audion Q1, audion Q2 and the audion Q3 of series connection, the two ends of the series circuit being made up of described audion Q1, audion Q2 and audion Q3 electrically connect with the other end of resistance R1 and the other end of electric capacity C1 respectively.
The electric motor temp device of electrodynamic balance car the most according to claim 1, it is characterised in that: in the temperature measuring unit of the first structure, described temperature sensor T is critesistor or thermocouple or platinum resistance.
The electric motor temp device of electrodynamic balance car the most according to claim 1, it is characterized in that: in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 is NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the colelctor electrode of audion Q1 simultaneously, the emitter stage of audion Q1 electrically connects with the base stage of audion Q2 and the colelctor electrode of audion Q2 simultaneously, the emitter stage of audion Q2 electrically connects with the base stage of audion Q3 and the colelctor electrode of audion Q3 simultaneously, the emitter stage of audion Q3 electrically connects with the other end of electric capacity C1.
The electric motor temp device of electrodynamic balance car the most according to claim 1, it is characterized in that: in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 is NPN type triode, the base stage of described audion Q1 electrically connects with the other end of resistance R1 and the emitter stage of audion Q1 simultaneously, the colelctor electrode of audion Q1 electrically connects with the base stage of audion Q2 and the emitter stage of audion Q2 simultaneously, the colelctor electrode of audion Q2 electrically connects with the base stage of audion Q3 and the emitter stage of audion Q3 simultaneously, the colelctor electrode of audion Q3 electrically connects with the other end of electric capacity C1.
The electric motor temp device of electrodynamic balance car the most according to claim 1, it is characterized in that: in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 is PNP type triode, the emitter stage of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the colelctor electrode of audion Q1 and the emitter stage of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the colelctor electrode of audion Q2 and the emitter stage of audion Q3 simultaneously, the base stage of audion Q3 electrically connects with the colelctor electrode of audion Q3 and the other end of electric capacity C1 simultaneously.
The electric motor temp device of electrodynamic balance car the most according to claim 1, it is characterized in that: in the temperature measuring unit of the third structure, if audion Q1, audion Q2 and audion Q3 is PNP type triode, the colelctor electrode of described audion Q1 electrically connects with the other end of resistance R1, the base stage of audion Q1 electrically connects with the emitter stage of audion Q1 and the colelctor electrode of audion Q2 simultaneously, the base stage of audion Q2 electrically connects with the emitter stage of audion Q2 and the colelctor electrode of audion Q3 simultaneously, the base stage of audion Q3 electrically connects with the emitter stage of audion Q3 and the other end of electric capacity C1 simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620450148.XU CN205620044U (en) | 2016-05-17 | 2016-05-17 | Motor temperature measuring device of electrodynamic balance car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620450148.XU CN205620044U (en) | 2016-05-17 | 2016-05-17 | Motor temperature measuring device of electrodynamic balance car |
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| CN205620044U true CN205620044U (en) | 2016-10-05 |
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| CN201620450148.XU Active CN205620044U (en) | 2016-05-17 | 2016-05-17 | Motor temperature measuring device of electrodynamic balance car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525502A (en) * | 2016-11-16 | 2017-03-22 | 江苏智石科技有限公司 | A soil solution extracting device based on temperature detection |
| CN106871175A (en) * | 2016-12-28 | 2017-06-20 | 广东格兰仕集团有限公司 | A kind of power panel method for excessive heating protection of frequency-conversion microwave oven |
| CN106885640A (en) * | 2017-03-30 | 2017-06-23 | 苏州汇川联合动力系统有限公司 | A kind of motor temperature sample circuit |
| WO2021129162A1 (en) * | 2019-12-24 | 2021-07-01 | 追觅科技(上海)有限公司 | Temperature control circuit and method for circuit board of electric hair dryer |
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2016
- 2016-05-17 CN CN201620450148.XU patent/CN205620044U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525502A (en) * | 2016-11-16 | 2017-03-22 | 江苏智石科技有限公司 | A soil solution extracting device based on temperature detection |
| CN106871175A (en) * | 2016-12-28 | 2017-06-20 | 广东格兰仕集团有限公司 | A kind of power panel method for excessive heating protection of frequency-conversion microwave oven |
| CN106885640A (en) * | 2017-03-30 | 2017-06-23 | 苏州汇川联合动力系统有限公司 | A kind of motor temperature sample circuit |
| WO2021129162A1 (en) * | 2019-12-24 | 2021-07-01 | 追觅科技(上海)有限公司 | Temperature control circuit and method for circuit board of electric hair dryer |
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Effective date of registration: 20211105 Address after: 213000 No. 9, Xinyong Road, Wujin national high tech Industrial Development Zone, Wujin District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU TAOCHEN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 213000, 6th floor, block B, Zhongke entrepreneurship center, science and Education City, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU TAOTAO INTELLIGENT TECHNOLOGY Co.,Ltd. |
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