CN208078831U - A kind of antioverloading motor - Google Patents
A kind of antioverloading motor Download PDFInfo
- Publication number
- CN208078831U CN208078831U CN201721865617.5U CN201721865617U CN208078831U CN 208078831 U CN208078831 U CN 208078831U CN 201721865617 U CN201721865617 U CN 201721865617U CN 208078831 U CN208078831 U CN 208078831U
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- circuit
- amplifier
- motor
- match circuit
- antioverloading
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Abstract
The utility model is related to a kind of antioverloading motor, solution be alarm distance it is short, alarm laser propagation effect difference technical problem, by using including motor, heat-conducting plate, shell, temperature inductor, warning device, accumulator；Warning device includes ADC sampling modules, and the antenna of comparison circuit, timer, wireless signal transmission unit, reception of wireless signals unit, wireless signal transmission unit exposes shell, alarm driving circuit, alarm；Wireless signal transmission unit includes amplifier unit；Amplifier unit includes sequentially connected input stage match circuit, first order amplifier, first order match circuit, the second collection amplifier, second level match circuit, third level amplifier and output stage match circuit；The input stage match circuit solves the problems, such as this with the technical solution that first order amplifier connect a gain balance circuit jointly, can be used in motor.
Description
Technical field
The utility model is related to motor fields, and in particular to a kind of antioverloading motor.
Background technology
Motor be it is a kind of convert electrical energy into rotation mechanical energy electronic product, motor when in use, generally all in just
Normal working condition, but sometimes because of special circumstances, when being overloaded such as motor, motor internal stator and rotor will be more than dynamic load
Lotus, to easily cause motor damage, and motor traditional at present is had a single function, when motor overload, is not had because simple in structure
The standby function of stopping with alarm and automatic control motor, it is a kind of with alarm work(it is really necessary to design in view of disadvantages described above
The antioverloading motor of energy.
Existing warning function motor alarm locking device combines together with motor, cannot effectively and timely prompt user abnormal
Situation, therefore it provides a kind of effectively, timely prompt the antioverloading motor of user's abnormal conditions with regard to necessary.
Utility model content
Technical problem to be solved in the utility model is that alarm distance existing in the prior art is short, laser propagation effect of alarming
The technical problem of difference.A kind of new antioverloading motor is provided, which has alarm apart from remote, alarm transmission effect
The good feature of fruit.
In order to solve the above technical problems, the technical solution used is as follows：
A kind of antioverloading motor, the antioverloading motor include motor, heat-conducting plate, shell, temperature inductor, warning device
And the accumulator for power supply；The heat-conducting plate is close to motor setting, and temperature sensor is connect with heat-conducting plate for detecting motor
Operating temperature, the temperature sensor are connected with warning device；The warning device includes that the ADC being connect with temperature sensor is adopted
Egf block, comparison circuit, the timer being connect with comparison circuit, the timer are connected with wireless signal transmission unit, with nothing
Line signal transmitter unit is connected with reception of wireless signals unit by wireless channel, and the antenna of wireless signal transmission unit exposes shell
Body is connected with alarm driving circuit with reception of wireless signals unit, and the alarm being connect with alarm driving circuit；Institute
It states wireless signal transmission unit and reception of wireless signals unit is reciprocal, the wireless signal transmission unit includes amplifier unit；
The amplifier unit includes sequentially connected input stage match circuit, first order amplifier, first order match circuit, the second collection
Amplifier, second level match circuit, third level amplifier and output stage match circuit；The input stage match circuit and first
Grade amplifier connects a gain balance circuit jointly；
In said program, for optimization, further, the gain balance circuit includes and input stage match circuit and first
The inductance L3 that grade amplifier connects jointly, and resistance R1 in parallel and capacitance C3, capacitance C3 are also parallel with capacitance C31；Resistance
R1 is connect with one end after capacitance C3 parallel connections with inductance L3, other end ground connection.
Further, the accumulator further includes the charging interface for charging, and the shell is opened to be matched with charging interface
Notch for installing charging interface.
Further, the shell is shell made of heat sink material.
Further, the input stage match circuit is L-type lumped parameter match circuit structure, the L-type lumped parameter
Match circuit structure includes shunt capacitance C1 and series inductance L1.
Further, the first order amplifier includes 1 crystal tube core；Second level amplifier includes 2 crystalline substances in parallel
Body tube core；The third level amplifier includes 4 crystal tube cores in parallel.
Further, the amplifier unit further includes two-supply circuit, and the two-supply circuit is put with the first order respectively
The grid of big device, second level amplifier and third level amplifier is connected with drain electrode；The two-supply circuit includes grid power supply electricity
Road and drain power circuit；The grid power supply circuit includes grid voltage unit VG, and gate-source voltage unit VG is connected with
Gate connected in parallel capacitance and gate series inductance；The drain power circuit includes drain voltage unit VD, drain power voltage list
First VD is connected with drain electrode shunt capacitance and drain series inductance.
The beneficial effects of the utility model：
Effect one is detached from motor body presence by designing remote alarming device, can prompt user's motor at a distance
Overload is abnormal, and improves alarm distance and in-band communications quality using high performance amplifier；
Effect two reduces return loss using multistage matched circuit in high performance amplifier, improves communication quality；
Effect three can be improved more easy to use using the combination of charging interface and accumulator；
Effect four can reduce the generation of overload situations using heat sink material as conductor.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1, the schematic diagram of antioverloading motor in embodiment 1.
Fig. 2, warning device schematic diagram.
Fig. 3, amplifier schematic diagram.
1- motors, 2- shells, 3- heat-conducting plates, 4- accumulators, 5- charging interfaces, on schedule, 7-ADC samples mould to 6- temperature bed
Block, 8- comparison circuits, 9- timers, 10- wireless signal transmission units.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining that this practicality is new
Type is not used to limit the utility model.
Embodiment 1
The present embodiment provides a kind of antioverloading motor, such as Fig. 1, the antioverloading motor includes motor 1, heat-conducting plate 3, shell
2, temperature inductor, warning device and the accumulator 4 for power supply；The heat-conducting plate 3 is close to the setting of motor 1, temperature sensor 6
It is connect with heat-conducting plate 3 for detecting 1 operating temperature of motor, the temperature sensor 6 is connected with warning device；Such as Fig. 2, the report
Alarm device includes the ADC sampling modules 7 being connect with temperature sensor 6, comparison circuit 8, the timer 9 being connect with comparison circuit 8,
The timer 9 is connected with wireless signal transmission unit 10, and nothing is connected with by wireless channel with wireless signal transmission unit 10
The antenna of line signal receiving unit, wireless signal transmission unit 10 exposes shell 2, and alarm is connected with reception of wireless signals unit
Device driving circuit, and the alarm that is connect with alarm driving circuit；The wireless signal transmission unit 10 and wireless signal
Receiving unit is reciprocal, and the wireless signal transmission unit 10 includes amplifier unit and the antenna being connect with amplifier unit；
Such as Fig. 3, the amplifier unit include sequentially connected input stage match circuit, first order amplifier, first order match circuit,
Second collection amplifier, second level match circuit, third level amplifier and output stage match circuit；The input stage match circuit
It connect a gain balance circuit jointly with first order amplifier；
Such as Fig. 1, the gain balance circuit includes the electricity being connect jointly with first order amplifier with input stage match circuit
Feel L3, and resistance R1 in parallel and capacitance C3, capacitance C3 are also parallel with capacitance C31；One end after resistance R1 is in parallel with capacitance C3
It is connect with inductance L3, other end ground connection.
Specifically, level Four lumped parameter match circuit includes input stage match circuit lumped parameter structure, first order matching
Circuit lumped parameter structure, second level match circuit lumped parameter structure, output stage match circuit lumped parameter structure；It is described defeated
It is L-type lumped parameter match circuit structure, including shunt capacitance C1 and series inductance to enter grade match circuit lumped parameter structure
L1；The first order match circuit lumped parameter structure is π type lumped parameter match circuit structures, including shunt capacitance C5, string
Join inductance L5 and shunt capacitance C6；The second level match circuit lumped parameter structure is π type lumped parameter match circuit knots
Structure, including shunt capacitance C9, series inductance L8, shunt capacitance C10 and series inductance L9；The output stage match circuit lump
Argument structure be π type lumped parameter match circuit structures, including series capacitance C13, shunt inductance L12, series capacitance C14 and
Shunt inductance L13.
Specifically, the input terminal of the input stage match circuit is connected with external radio frequency input port；The first order
The input terminal of amplifier crystal tube core is connected with the output end of input matching circuit；The input terminal of the first order match circuit
It is connected with the output end of first order amplifier crystal tube core；The input terminal and the first order of the second level amplifier crystal tube core
The output end of match circuit is connected；The output end of the second level match circuit input terminal and second level amplifier crystal tube core
It is connected；The input terminal of the third level amplifier crystal tube core is connected with second level match circuit output end；The output
The input terminal of grade match circuit is connected with the output end of third level amplifier crystal tube core；The output stage match circuit it is defeated
Outlet is connected with external radio frequency output port.
The crystal tube core of the amplifier needs to provide both positive and negative voltage bias, and the utility model is using dual power supply electricity
Line structure；The first order amplifier crystal tube core uses the voltage bias of linear amplifier, makes first order amplifier transistor
Core is operated in class-a amplifier state, improves the linearity and the angle of flow of circuit；The second level amplifier crystal tube core uses line
The voltage bias of property amplifier, makes second level amplifier crystal tube core be operated in class ab ammplifier state, improves the linear of circuit
Degree；The third level amplifier crystal tube core uses the voltage bias of switching amplifier, makes third level amplifier crystal tube core work
Make, in E class A amplifier A states, to improve the efficiency of circuit.
The input stage capacitance C3, resistance R1 parallel networks and the inductance L3 gain balance circuits being composed in series and the first order
Amplifier crystal tube core grid is connected, and the gain balance circuit can not only be modified gain to be effectively improved increasing
Beneficial flatness, and resonance can be reduced and improve overall amplifier stability.
The input stage match circuit includes shunt capacitance C1 and series inductance L1, wherein capacitance C1 and inductance L1 compositions
Low-pass filter circuit removes band stray for considering；The first order match circuit shunt capacitance C5, series inductance L5 and simultaneously
Join capacitance C6, wherein capacitance C5 and inductance L5 composition low-pass filter circuits remove band stray for considering；The second level matching
Circuit includes shunt capacitance C9, series inductance L8, shunt capacitance C10 and series inductance L9, wherein capacitance C10 and inductance L9 groups
At secondary harmonic suppression circuit for improving circuit linearity degree；The output stage match circuit includes series capacitance C13, electricity in parallel
Feel L12, series capacitance C14 and shunt inductance L13, wherein capacitance C13 and inductance L12 forms limitation of high harmonics circuit, leads to
Parameter optimization is crossed for inhibiting higher hamonic wave.
It is counterfeit with high-velocity electrons mobility transistor that the third stage amplifier tube core of the present embodiment is all made of GaAs；It is put by three-level
Big circuits cascading composition includes transistor M1, transistor M2, transistor M3, transistor M4, transistor M5, transistor M6, crystal
Pipe M7.The first order is small signal amplifier circuit, the second level is driving amplifier, the third level is power amplifier circuit.Between grade
Equipped with match circuit, input/output port is matched to 50 Ω, with high efficiency, good gain flatness and the low spy of return loss
Point, and improve the integrated level of system.
The biasing of third stage amplifier tube core described in the present embodiment is provided, amplifiers at different levels by periphery power supply biasing circuit
The grid and drain electrode biasing VG1, VG2, VG3 and VD1 of tube core, VD2, VD3 are all made of coupling inductance and shunt capacitance composition decoupling
Circuit structure can effectively inhibit low frequency self-excitation phenomena, it is ensured that the stability of system.Capacitance C2 and inductance are connected at VG1
It is connected at L2, VG2 at capacitance C7 and inductance L6, VG3 and is connected with capacitance C11 and inductance L10；Be connected at VD1 capacitance C4 with
It is connected at inductance L4, VD2 at capacitance C5 and inductance L4, VD3 and is connected with capacitance C12 and inductance L11.
In order to facilitate use, it is preferable that the accumulator 4 further includes the charging interface 5 for charging, and the shell 2 is opened
With 5 matched notch of charging interface for installing charging interface 5.
In order to reduce overload situations, it is preferable that the shell 2 is shell 2 made of heat sink material.
Although the illustrative specific implementation mode of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the range of specific implementation mode, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in the attached claims
In spirit and scope, all are created using the utility model of the utility model design in the row of protection.
Claims (7)
1. a kind of antioverloading motor, it is characterised in that：The antioverloading motor includes motor, heat-conducting plate, shell, temperature sense
Device, warning device and the accumulator for power supply；
The heat-conducting plate is close to motor setting, and temperature sensor is connect with heat-conducting plate for detecting motor operating temperature, the temperature
Degree sensor is connected with warning device；
The warning device includes the ADC sampling modules being connect with temperature sensor, and comparison circuit, what is connect with comparison circuit determines
When device, the timer is connected with wireless signal transmission unit, nothing is connected with by wireless channel with wireless signal transmission unit
The antenna of line signal receiving unit, wireless signal transmission unit exposes shell, and alarm is connected with reception of wireless signals unit
Driving circuit, and the alarm that is connect with alarm driving circuit；
The wireless signal transmission unit and reception of wireless signals unit are reciprocal, and the wireless signal transmission unit includes amplifier
Unit；
The amplifier unit includes sequentially connected input stage match circuit, first order amplifier, first order match circuit,
Two collection amplifiers, second level match circuit, third level amplifier and output stage match circuit；
The input stage match circuit connect a gain balance circuit jointly with first order amplifier.
2. antioverloading motor according to claim 1, it is characterised in that：The gain balance circuit includes and input stage
It is also parallel with the inductance L3 that circuit is connect jointly with first order amplifier, and resistance R1 in parallel and capacitance C3, capacitance C3
Capacitance C31；Resistance R1 is connect with one end after capacitance C3 parallel connections with inductance L3, other end ground connection.
3. antioverloading motor according to claim 2, it is characterised in that：The accumulator further includes the charging for charging
Interface, the shell are opened with the matched notch of charging interface for installing charging interface.
4. antioverloading motor according to claim 2, it is characterised in that：The shell is shell made of heat sink material.
5. antioverloading motor according to claim 2, it is characterised in that：The input stage match circuit is L-type collection Headquarters of the General Staff
Number match circuit structure, the L-type lumped parameter match circuit structure includes shunt capacitance C1 and series inductance L1.
6. antioverloading motor according to claim 2, it is characterised in that：The first order amplifier includes 1 transistor
Core；Second level amplifier includes 2 crystal tube cores in parallel；The third level amplifier includes 4 crystal tube cores in parallel.
7. antioverloading motor according to claim 2, it is characterised in that：The amplifier unit further includes dual power supply electricity
Road, the two-supply circuit connect with the grid of first order amplifier, second level amplifier and third level amplifier and drain electrode respectively
It connects；The two-supply circuit includes grid power supply circuit and drain power circuit；The grid power supply circuit includes grid voltage
Unit VG, gate-source voltage unit VG are connected with gate connected in parallel capacitance and gate series inductance；The drain power circuit packet
Drain voltage unit VD is included, drain power voltage cell VD is connected with drain electrode shunt capacitance and drain series inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865617.5U CN208078831U (en) | 2017-12-27 | 2017-12-27 | A kind of antioverloading motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865617.5U CN208078831U (en) | 2017-12-27 | 2017-12-27 | A kind of antioverloading motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078831U true CN208078831U (en) | 2018-11-09 |
Family
ID=64032466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721865617.5U Expired - Fee Related CN208078831U (en) | 2017-12-27 | 2017-12-27 | A kind of antioverloading motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142818A (en) * | 2021-10-14 | 2022-03-04 | 深圳飞骧科技股份有限公司 | Radio frequency power amplifier applied to 5G-Sub6G frequency band communication system |
-
2017
- 2017-12-27 CN CN201721865617.5U patent/CN208078831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142818A (en) * | 2021-10-14 | 2022-03-04 | 深圳飞骧科技股份有限公司 | Radio frequency power amplifier applied to 5G-Sub6G frequency band communication system |
| WO2023061089A1 (en) * | 2021-10-14 | 2023-04-20 | 深圳飞骧科技股份有限公司 | Radio frequency power amplifier applied to 5g-sub6g frequency band communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |