CN106527522A - Temperature controller with protection function - Google Patents
Temperature controller with protection function Download PDFInfo
- Publication number
- CN106527522A CN106527522A CN201610972475.6A CN201610972475A CN106527522A CN 106527522 A CN106527522 A CN 106527522A CN 201610972475 A CN201610972475 A CN 201610972475A CN 106527522 A CN106527522 A CN 106527522A
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- Prior art keywords
- circuit
- voltage
- resistance
- controller
- change
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1917—Control of temperature characterised by the use of electric means using digital means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a temperature controller with a protection function. The temperature controller comprises a controller, a temperature sensor, an A/D conversion module, a current acquisition module, a voltage acquisition module and an execution module. The temperature sensor is connected to the controller through the A/D conversion module. The current acquisition module, the voltage acquisition module and the execution module are connected to the controller. The controller controls the action of the execution module according to the signals of the temperature sensor, the current acquisition module, and the voltage acquisition module. The controller is also connected to a power supply, the input end of the controller is provided with a voltage sampling module and a current sampling module. The power supply voltage and current of the equipment can be detected in the equipment operation process, while the voltage and current have problems, a signal is timely transmitted to the controller, thus the power supply of the equipment is cut through the execution module, and the equipment is protected.
Description
Technical field
The present invention relates to temperature controller technical field, more particularly to a kind of temperature controller with defencive function.
Background technology
Temperature controller is the device detected to temperature on the inside of environment or equipment automatically by temperature sensor.When being controlled
Temperature when can not be controlled effectively, in order to prevent equipment damage can also by the function that trips come arrestment after
Reforwarding row.It is mainly used in the field related to temperature.At present, existing temperature controller only has temperature detecting function, but right
The power of the supply voltage and electric current of equipment can not be detected, due to the size of supply voltage and electric current it is tighter to device damage
Weight, therefore, when equipment runs, there is potential safety hazard.
The content of the invention
The technical problem to be solved in the present invention be to provide one kind can testing equipment voltage and current, and can by detection
Temperature controller with defencive function of the information conveyance to controller.
In order to solve above-mentioned technical problem, the technical scheme is that：A kind of temperature controller with defencive function, including
Controller, temperature sensor, A/D modular converters, current acquisition module, voltage acquisition module and performing module, the temperature are passed
Sensor is connected with the controller by A/D modular converters, the current acquisition module, voltage acquisition module and performing module with
The controller connection, the controller is according to the temperature sensor, the current acquisition module and the voltage acquisition mould
The signal of block collection controls the action of the performing module, and power supply, the current acquisition module are also associated with the controller
Including current sampling circuit, the first filter circuit and the first change-over circuit, the current sampling circuit includes that closed loop current is sensed
Device, the closed-loop current sensors are connected to the filter circuit, and the filter circuit connects the change-over circuit, the voltage
Sampling module includes voltage sampling circuit, the second filter circuit and the second change-over circuit, and the voltage sampling circuit includes voltage
Sensor, the voltage sensor are connected to the filter circuit, and the filter circuit connects the change-over circuit.
Further, second filter circuit be connected to the voltage sampling circuit and second change-over circuit it
Between, which includes frequency overlapped-resistable filter, wherein the negative pole of the frequency overlapped-resistable filter connects the voltage sensor, its outfan connects
Connect second change-over circuit.
Further, second change-over circuit includes voltage comparator, the outfan connection of the voltage rate of exchange device
Controller, the positive pole of the voltage comparator are connected with second filter circuit, and the voltage comparator and described second is filtered
Resistance R22 and resistance R23 is in series between wave circuit, the indirection point of the resistance R22 and resistance R23 is connected to the voltage ratio
Compared with the negative pole of device, capacitor C8 and resistance R21 on line, is in series with, the negative pole of the voltage comparator is grounded by resistance R19,
The outfan of the capacitor C8 and voltage comparator described in resistance R21 contact connect bands.
Further, phase-locked loop circuit, the input of the phase-locked loop circuit are additionally provided with second change-over circuit
End is connected to the input of second change-over circuit, and the outfan of second change-over circuit connects second change-over circuit
Voltage comparator.
Further, first filter circuit is connected between the current sampling circuit and first change-over circuit
Two are arranged, which includes frequency overlapped-resistable filter, wherein the negative pole of the frequency overlapped-resistable filter is by resistance R1 and closed loop electricity
Flow sensor connects, and its outfan is connected to the negative pole of another frequency overlapped-resistable filter by resistance R4.
Further, first change-over circuit includes voltage comparator, the outfan connection of the voltage rate of exchange device
Controller, the positive pole of the voltage comparator are connected with first filter circuit, and the voltage comparator and described first is filtered
Resistance R7 and resistance R8 is in series between wave circuit, the indirection point of the resistance R7 and resistance R8 is connected to the voltage comparator
Negative pole, capacitor C3 and resistance R11 is in series with line, the negative pole of the voltage comparator is grounded by resistance R9, described
The outfan of capacitor C3 and voltage comparator described in resistance R11 contact connect bands.
Further, the performing module includes housing, and coil and driver plate, the driver plate are provided with the housing
One end join on the housing, the other end is provided with contact, and the contact coordinated with which, institute are provided with the downside of the contact
State driver plate one end of contact is set and be provided with back-moving spring, in the coil, arrange cored, the coil and the control
Device connects, and pushes for controlling the driver plate, makes the contact.
Using having the beneficial effect that the above-mentioned technical proposal present invention is obtained：In the input of controller, voltage sample mould is set
Block and current sample module, are capable of the supply voltage and electric current of testing equipment in equipment running process, go out in voltage and current
During existing problem, signal can be transported to into controller in time, so as to the power supply of equipment is cut off by performing module, be played to equipment
Play a protective role.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of blocki diagram of the temperature controller with defencive function of the present invention；
Fig. 2 is the layout of current acquisition module of the present invention；
Fig. 3 is the layout of voltage acquisition module of the present invention；
Fig. 4 is the structural representation of performing module of the present invention.
In figure：1- controllers, 2-A/D modular converters, 3- temperature sensors, 4- current acquisition modules, 5- voltage acquisition moulds
Block, 6- performing modules, 7- housings, 8- driver plates, 9- back-moving springs, 10- coils, 11- contacts.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further.Here it should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.Additionally, disclosed below
As long as the present invention each embodiment in involved technical characteristic do not constitute conflict each other and can just be mutually combined.
The present invention is further described with reference to accompanying drawing, makes person of ordinary skill in the field preferably implement the present invention,
A kind of temperature controller with defencive function of the embodiment of the present invention, including controller 1, temperature sensor 3, A/D modular converters 2, electricity
Stream acquisition module 4, voltage acquisition module 5 and performing module, temperature sensor 1 are connected with controller 1 by A/D modular converters 2,
Current acquisition module 4, voltage acquisition module 5 and performing module are connected with controller 1, and controller 1 is according to temperature sensor 3, electricity
The signal of stream acquisition module 4 and the collection of voltage acquisition module 5 controls the action of performing module, is also associated with power supply on controller 1,
Current acquisition module 4 includes current sampling circuit, the first filter circuit and the first change-over circuit, and current sampling circuit includes closed loop
Current sensor, closed-loop current sensors are connected to filter circuit, and filter circuit connection change-over circuit, voltage sample module include
Voltage sampling circuit, the second filter circuit and the second change-over circuit, voltage sampling circuit include voltage sensor, voltage sensor
It is connected to filter circuit, filter circuit connection change-over circuit；Voltage sample module is set in the input of controller 1 and electric current is adopted
Egf block, is capable of the supply voltage and electric current of testing equipment, when voltage and current goes wrong, energy in equipment running process
It is enough that signal is transported to into controller 1 in time, so as to the power supply of equipment is cut off by performing module, play and protection work is played to equipment
With；In the embodiment of the present invention, controller 1 includes microprocessor, and microprocessor is using TMS320LF2812 chips as controller 1
Core component, information sharing can be carried out with other equipment.
The second filter circuit of the embodiment of the present invention is connected between voltage sampling circuit and the second change-over circuit, and which includes resisting
The negative pole connection voltage sensor of aliasing filter, wherein frequency overlapped-resistable filter, its outfan connect the second change-over circuit；Second
Change-over circuit includes voltage comparator, the outfan connection controller 1 of voltage rate of exchange device, the positive pole of voltage comparator and the second filter
Wave circuit connects, and resistance R22 and resistance R23, resistance R22 and resistance are in series between voltage comparator and the second filter circuit
The indirection point of R23 is connected to the negative pole of voltage comparator, and capacitor C8 and resistance R21 is in series with line, voltage comparator
Negative pole is grounded by resistance R19, the outfan of capacitor C8 and resistance R21 contact connect band voltage comparators；Second conversion electricity
Phase-locked loop circuit is additionally provided with road, the input of phase-locked loop circuit is connected to the input of the second change-over circuit, the second conversion
The outfan of circuit connects the voltage comparator of the second change-over circuit；Phase-locked loop circuit is by phaselocked loop integrated chip CD4046 and divides
Frequency device CD4040 is constituted
The first filter circuit of the embodiment of the present invention is arranged in series two between current sampling circuit and the first change-over circuit,
Which includes frequency overlapped-resistable filter, and the wherein negative pole of frequency overlapped-resistable filter is connected with closed-loop current sensors by resistance R1, and which is defeated
Go out the negative pole that end is connected to another frequency overlapped-resistable filter by resistance R4；First change-over circuit includes voltage comparator, voltage
The outfan connection controller 1 of rate of exchange device, the positive pole of voltage comparator are connected with the first filter circuit, voltage comparator and first
The indirection point that resistance R7 and resistance R8, resistance R7 and resistance R8 are in series between filter circuit is connected to the negative of voltage comparator
Pole, is in series with capacitor C3 and resistance R11 on line, the negative pole of voltage comparator is grounded by resistance R9, capacitor C3 and electricity
The outfan of resistance R11 contact connect band voltage comparators.
Embodiment of the present invention performing module includes housing 7, is provided with coil 10 and driver plate 8 in housing 7, driver plate 8
One end joins on housing 7, and the other end is provided with contact 11, and the downside of contact 11 is provided with the contact 11 coordinated with which, transmission
Plate 8 arranges one end of contact 11 and is provided with back-moving spring 9, arranges cored in coil 10, and coil 10 is connected with controller 1, is used
Push in control driver plate 8, contact contact 11.
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to described enforcement
Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments
Various changes, modification, replacement and modification are carried out, is still fallen within protection scope of the present invention.
Claims (7)
1. a kind of temperature controller with defencive function, it is characterised in that：Including controller, temperature sensor, A/D modular converters,
Current acquisition module, voltage acquisition module and performing module, the temperature sensor pass through A/D modular converters and the controller
Connection, the current acquisition module, voltage acquisition module and performing module are connected with the controller, and the controller is according to institute
The signal for stating the collection of temperature sensor, the current acquisition module and the voltage acquisition module controls the dynamic of the performing module
Make, on the controller, be also associated with power supply, the current acquisition module includes current sampling circuit, the first filter circuit and the
One change-over circuit, the current sampling circuit include closed-loop current sensors, and the closed-loop current sensors are connected to the filter
Wave circuit, the filter circuit connect the change-over circuit, and the voltage sample module includes voltage sampling circuit, the second filtering
Circuit and the second change-over circuit, the voltage sampling circuit include voltage sensor, and the voltage sensor is connected to the filter
Wave circuit, the filter circuit connect the change-over circuit.
2. there is the temperature controller of defencive function according to claim 1, it is characterised in that：Second filter circuit is connected to
Between the voltage sampling circuit and second change-over circuit, which includes frequency overlapped-resistable filter, wherein the anti-aliasing filter
The negative pole of device connects the voltage sensor, and its outfan connects second change-over circuit.
3. there is the temperature controller of defencive function according to claim 2, it is characterised in that：Second change-over circuit includes electricity
Pressure comparator, the outfan connection controller of the voltage rate of exchange device, the positive pole of the voltage comparator and the described second filtering
Circuit connects, and resistance R22 and resistance R23, the resistance are in series between the voltage comparator and second filter circuit
The indirection point of R22 and resistance R23 is connected to the negative pole of the voltage comparator, and capacitor C8 and resistance R21 is in series with line,
The negative pole of the voltage comparator is grounded by resistance R19, the capacitor C8 and voltage ratio described in resistance R21 contact connect bands
Compared with the outfan of device.
4. there is the temperature controller of defencive function according to claim 3, it is characterised in that：Also set on second change-over circuit
It is equipped with phase-locked loop circuit, the input of the phase-locked loop circuit is connected to the input of second change-over circuit, described second
The outfan of change-over circuit connects the voltage comparator of second change-over circuit.
5. there is the temperature controller of defencive function according to claim 1, it is characterised in that：First filter circuit is described
Two are arranged in series between current sampling circuit and first change-over circuit, which includes frequency overlapped-resistable filter, wherein described anti-
The negative pole of aliasing filter is connected with the closed-loop current sensors by resistance R1, and its outfan is connected to separately by resistance R4
The negative pole of one frequency overlapped-resistable filter.
6. there is the temperature controller of defencive function according to claim 5, it is characterised in that：First change-over circuit includes electricity
Pressure comparator, the outfan connection controller of the voltage rate of exchange device, the positive pole of the voltage comparator and the described first filtering
Circuit connects, and resistance R7 and resistance R8, the resistance R7 are in series between the voltage comparator and first filter circuit
The negative pole of the voltage comparator is connected to the indirection point of resistance R8, capacitor C3 and resistance R11 on line, is in series with, it is described
The negative pole of voltage comparator is grounded by resistance R9, the capacitor C3 and voltage comparator described in resistance R11 contact connect bands
Outfan.
7. there is the temperature controller of defencive function according to claim 1, it is characterised in that：The performing module includes housing,
Coil and driver plate are provided with the housing, one end of the driver plate joins on the housing, and the other end is provided with tactile
Point, is provided with the contact coordinated with which on the downside of the contact, the driver plate arranges one end of contact and is provided with back-moving spring,
Arrange cored in the coil, the coil is connected with the controller, is pushed for controlling the driver plate, make described touching
Point contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972475.6A CN106527522A (en) | 2016-10-28 | 2016-10-28 | Temperature controller with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972475.6A CN106527522A (en) | 2016-10-28 | 2016-10-28 | Temperature controller with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527522A true CN106527522A (en) | 2017-03-22 |
Family
ID=58349650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610972475.6A Pending CN106527522A (en) | 2016-10-28 | 2016-10-28 | Temperature controller with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106527522A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160545A (en) * | 1996-12-03 | 1998-06-19 | Matsushita Electric Ind Co Ltd | Liquid level detector and its manufacture |
| CN1549073A (en) * | 2003-05-10 | 2004-11-24 | 华为技术有限公司 | Temperature controlling apparatus and method thereof |
| CN102270832A (en) * | 2010-06-01 | 2011-12-07 | 苏州新协力工业控制工程技术研究中心有限公司 | Circuit protector |
| CN204945842U (en) * | 2015-09-17 | 2016-01-06 | 肖涛 | A kind of temperature controller |
| CN105974179A (en) * | 2016-07-01 | 2016-09-28 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharge and temperature monitoring device |
| CN106054096A (en) * | 2016-07-01 | 2016-10-26 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharging and temperature monitoring device |
-
2016
- 2016-10-28 CN CN201610972475.6A patent/CN106527522A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160545A (en) * | 1996-12-03 | 1998-06-19 | Matsushita Electric Ind Co Ltd | Liquid level detector and its manufacture |
| CN1549073A (en) * | 2003-05-10 | 2004-11-24 | 华为技术有限公司 | Temperature controlling apparatus and method thereof |
| CN102270832A (en) * | 2010-06-01 | 2011-12-07 | 苏州新协力工业控制工程技术研究中心有限公司 | Circuit protector |
| CN204945842U (en) * | 2015-09-17 | 2016-01-06 | 肖涛 | A kind of temperature controller |
| CN105974179A (en) * | 2016-07-01 | 2016-09-28 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharge and temperature monitoring device |
| CN106054096A (en) * | 2016-07-01 | 2016-10-26 | 河北箱变电器有限公司 | Secondary equipment for monitoring partial discharging and temperature monitoring device |
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Application publication date: 20170322 |