CN201097443Y - Frequency converter with over-heat alarm function - Google Patents
Frequency converter with over-heat alarm function Download PDFInfo
- Publication number
- CN201097443Y CN201097443Y CNU2007201391648U2007201391648U CN200720139164U CN201097443Y CN 201097443 Y CN201097443 Y CN 201097443Y CN U2007201391648U2007201391648 U CNU2007201391648U2007201391648 U CN U2007201391648U2007201391648U CN 200720139164 U CN200720139164 U CN 200720139164U CN 201097443 Y CN201097443 Y CN 201097443Y
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- temperature
- frequency converter
- microprocessor
- overheating
- detector unit
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Abstract
The utility model relates to a transducer with temperature overheating alarm function, which is mainly characterized in that: a microprocessor is arranged at a control circuit, the transducer is provided with voltage variable frequency to drive a motor, a temperature sensing unit is connected with an alarm device and a microprocessor, the temperature sensing unit can sense ambient temperature, and then convert temperature value to signal and then transfer to the microprocessor, when the temperature sensed by the temperature sensing unit exceeds default value, the alarm device can generate an alarm function of the transmitted signal through the microprocessor, therefore operator can make repair preparation in advance so that the equipment is tripped off at midway due to the transducer overheating so as to stop production action, thereby lowering reject ratio, reducing material consumption and manpower maintenance cost.
Description
Technical field
The utility model relates to frequency converter, more detailed it, be meant a kind of frequency converter of tool temperature overheating forewarning function especially.
Background technology
Along with industrial circle day by day highly relying on for the automation demand for control; frequency converter with voltage frequency conversion function becomes produces the online product that is widely used; especially for the control of motor driven; existing frequency converter mainly is to comprise a rectification circuit; one control circuit and a frequency conversion drive circuit; to reach the effect of variable frequency control; wherein; this control circuit is connected with a temperature overheating and jumps the protective circuit of stopping; by this, make this frequency converter when dispelling the heat bad or overload, can form off-position, with the unlikely cause thermal damage of crossing of protection frequency converter itself; though this frequency converter has the function of overheated outage; but its load, for example motor can shut down suddenly because of the frequency converter outage; the unexpected jumping that causes equipment not have expection stops; can cause serious loss to whole production line, make the percent defective of product; whether increases such as consumptive material loss and fraction defective are so often need checkout facility running at any time normal; therefore; cause the increase of maintenance cost, from the above mentioned, this frequency converter has necessity to be strengthened in fact.
The utility model content
The purpose of this utility model provides a kind of frequency converter of tool temperature overheating forewarning function, this frequency converter mainly includes a rectification circuit, one control circuit and a frequency conversion drive circuit, this control circuit is provided with a microprocessor, by this, make this frequency converter have the voltage frequency conversion to drive the function of a motor, wherein, one temperature detector unit is connected with the microprocessor of this control circuit with an alarming device, but this temperature detector unit perception ambient temperature, and temperature value is changed into signal be sent to this microprocessor, when the temperature of this temperature detector unit institute perception surpassed a default value, this alarming device can send signal and produce a warning function it via this microprocessor.
The beneficial effects of the utility model are, the frequency converter of a kind of tool temperature overheating forewarning function that is provided, by the warning function that produces by this alarming device, make the staff can predict corrective maintenance time, equipment can not stopped because of overheated the jumping suddenly midway, stop the production start, and then the rate of reducing the number of rejects and seconds, reduce the consumptive material loss and reduce fraction defective etc., more reduced personnel's maintenance cost.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model preferred embodiment.
Fig. 2 is the circuit block diagram of another preferred embodiment of the utility model.
Embodiment
See also shown in Figure 1, it is calcspar for the utility model preferred embodiment, this frequency converter 10 mainly is to include a rectification circuit 11, a control circuit 12 and a frequency conversion drive circuit 13, wherein, this control circuit 12 is provided with a microprocessor 14, by this, make this frequency converter 10 have the voltage frequency conversion to drive the function of a motor 15; Its principal character is to be:
One temperature detector unit 16; be to be connected with the microprocessor 14 of this control circuit 12; and be installed on the fin of frequency conversion drive circuit 13; in present embodiment; this temperature detector unit 16 is a semistor (PTC); but the heatsink temperature of these temperature detector unit 16 perception frequency conversion drive circuit 13; and temperature value is changed into signal be sent to this microprocessor 14, and the temperature implied value of these 16 perception in temperature detector unit is to be lower than these frequency converter 10 existing overheating protection circuits to jump the temperature of stopping.
One alarming device 17, also be connected with the microprocessor 14 of this control circuit 12, when the temperature of these 16 perception in temperature detector unit surpasses a default value, this alarming device 17 can send signal and produce a warning function it via this microprocessor 14, wherein, this alarming device 17 can be a warning lamp or a buzzer.
One temperature shows and setting device 18, is to be connected with this microprocessor 14, can show the temperature by these 16 perception in temperature detector unit, but and the default value of design temperature.
See also shown in Figure 2, it is calcspar for another preferred embodiment of the utility model, be with aforementioned same, difference is, this temperature detector unit 16 is to be connected with the microprocessor 14 of this control circuit 12, and be installed in this motor 15, but make this temperature detector unit 16 perception motors, 15 temperature, and temperature value is changed into signal be sent to this microprocessor 14.
By for further understanding the effect that structural feature of the present invention, application technology means and institute's expection are reached, now occupation mode of the present invention is narrated, believing be able to have more deep and concrete understanding to the present invention therefrom, as described below:
When starting power supply 19; the equipment entry into service; this rectification circuit 11 transmits power supply to this control circuit 12 and frequency conversion drive circuit 13; to drive this motor 15 runnings; these temperature detector unit 16 beginning perception ambient temperature also are sent to this transducer 14; this temperature demonstration and setting device 18 also receive this microprocessor 14 signals; make the staff can be by showing by this temperature and setting device 18 temperature displayed are known temperature regime by these 16 perception in temperature detector unit; when the temperature of these 16 perception in temperature detector unit surpasses a default value; 14 pairs of these alarming devices of this microprocessor 17 send signal and produce a warning function, and the maintenance before the staff can begin by the prompting by this caution to shut down is prepared.
Hereby, again feature of the present utility model and attainable expection effect thereof are presented below:
But temperature detector of the present utility model unit perception ambient temperature, and temperature value is changed into signal pass Deliver to this microprocessor, and produce a warning function via this alarming device, the staff can be predicted Service time can because of overheated unexpected stop jumping midway, not stop the production start, and then reduce equipment Percent defective, minimizing consumptive material lose and reduce fraction defective etc., have more reduced personnel's maintenance cost.
Another feature of the present utility model and attainable expection effect thereof show for this temperature and set Device can for the temperature that shows by this temperature detector unit institute perception, be known the staff and know order Front temperature value, and can further do according to the difference of site environment the setting of temperature implied value, so on using Very convenient, and applicability is good.
Claims (8)
1, a kind of frequency converter of tool temperature overheating forewarning function, this frequency converter include a rectification circuit, a control circuit and a frequency conversion drive circuit, and wherein, this control circuit more is provided with a microprocessor; It is characterized in that:
One temperature detector unit is to be connected with the microprocessor of this control circuit, but this temperature detector unit perception ambient temperature, and temperature value is changed into signal be sent to this microprocessor;
One alarming device also is connected with the microprocessor of this control circuit, and when the temperature of this temperature detector unit institute perception surpassed a default value, this alarming device sent signal and produces a warning function it via this microprocessor.
2, according to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that, this frequency converter includes a temperature and shows and setting device that this temperature demonstration and setting device are connected with microprocessor, shows the temperature by this temperature detector unit institute perception.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 3, this temperature detector unit is a semistor.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 4, this temperature detector unit is installed on the fin of frequency conversion drive circuit.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 5, this temperature detector unit is installed in the motor.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 6, this alarming device is a warning lamp.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 7, this alarming device is a buzzer.
According to the frequency converter of the described tool temperature overheating of claim 1 forewarning function, it is characterized in that 8, the temperature implied value of this temperature detector unit institute perception is lower than the existing overheating protection circuit of frequency converter and jumps the temperature of stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391648U2007201391648U CN201097443Y (en) | 2007-09-12 | 2007-09-12 | Frequency converter with over-heat alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391648U2007201391648U CN201097443Y (en) | 2007-09-12 | 2007-09-12 | Frequency converter with over-heat alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097443Y true CN201097443Y (en) | 2008-08-06 |
Family
ID=39924484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201391648U2007201391648U Expired - Fee Related CN201097443Y (en) | 2007-09-12 | 2007-09-12 | Frequency converter with over-heat alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097443Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120801A1 (en) * | 2014-02-17 | 2015-08-20 | 伊顿公司 | Control and protection apparatus for electric motor |
| EP3389024A1 (en) * | 2017-04-12 | 2018-10-17 | Vestel Elektronik Sanayi ve Ticaret A.S. | Network-enabled eletronic device, system and method |
| CN111780884A (en) * | 2020-06-30 | 2020-10-16 | 日照钢铁控股集团有限公司 | Frequency converter alarm method capable of setting temperature |
| US11437179B2 (en) | 2014-02-17 | 2022-09-06 | Eaton Intelligent Power Limited | Inductor coil and electromagnetic component |
-
2007
- 2007-09-12 CN CNU2007201391648U2007201391648U patent/CN201097443Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120801A1 (en) * | 2014-02-17 | 2015-08-20 | 伊顿公司 | Control and protection apparatus for electric motor |
| US9876461B2 (en) | 2014-02-17 | 2018-01-23 | Eaton Corporation | Control and protection apparatus for electric motor |
| US11437179B2 (en) | 2014-02-17 | 2022-09-06 | Eaton Intelligent Power Limited | Inductor coil and electromagnetic component |
| US11804328B2 (en) | 2014-02-17 | 2023-10-31 | Eaton Intelligent Power Limited | Inductor coil and electromagnetic component |
| EP3389024A1 (en) * | 2017-04-12 | 2018-10-17 | Vestel Elektronik Sanayi ve Ticaret A.S. | Network-enabled eletronic device, system and method |
| CN111780884A (en) * | 2020-06-30 | 2020-10-16 | 日照钢铁控股集团有限公司 | Frequency converter alarm method capable of setting temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Zhongmao Electronic Technology Co., Ltd. Assignor: Rhymebus Enterprise Co.,Ltd. Contract record no.: 2010990000716 Denomination of utility model: Frequency converter with over-heat alarm function Granted publication date: 20080806 License type: Exclusive License Record date: 20100906 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20120912 |