CN204389617U - A kind of load aging monitoring device - Google Patents
A kind of load aging monitoring device Download PDFInfo
- Publication number
- CN204389617U CN204389617U CN201520072755.2U CN201520072755U CN204389617U CN 204389617 U CN204389617 U CN 204389617U CN 201520072755 U CN201520072755 U CN 201520072755U CN 204389617 U CN204389617 U CN 204389617U
- Authority
- CN
- China
- Prior art keywords
- signal
- load
- divider
- comparer
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of load aging monitoring device, comprising: current collection circuit, voltage collection circuit, divider, comparer and warning circuit; One end of current collection circuit is connected with load, and the other end is connected with the input end of divider; One end of voltage collection circuit is connected with load, and the other end is connected with the input end of divider; The output terminal of divider is connected with the input end of comparer, with the resistance signal input comparator will calculated according to voltage signal and current signal; The output terminal of comparer is connected with warning circuit, to export corresponding level to warning circuit according to resistance signal with the comparative result of the standard value preset.The load aging monitoring device that the utility model provides, can not alert in time in order to solve in prior art at load aging to before losing efficacy, and causes the technical matters that the finished workpart qualification rate of calcine technology is low.Achieve the technique effect of the finished workpart qualification rate improving calcine technology.
Description
Technical field
The utility model relates to technical field of temperature control, particularly relates to a kind of load aging monitoring device.
Background technology
In the thermal treatment temperature control system of calcine technology, need to connect load, load refers to that connection consumes the electronic component of the both ends of power of electric energy in circuit, because be the device carrying out work with electric energy, be also called " electrical appliance ", its function is exactly be other form energy by converting electric energy.Load produces aging after the use of certain hour, and its every groundwork index of aging serious load and performance index all exceed normal use value, are thus difficult to the function normally completing energy conversion.
Prior heat treatment temperature control system lacks necessary monitoring to load aging degree, and load aging, to when cannot normally work, can not provide alarm in time, affect the execution of thermal treatment calcine technology the most at last, reduces the qualification rate of finished workpart.
That is, thermal treatment temperature control system of the prior art, at load aging to before losing efficacy, can not alarm operating personnel in time, cause the technical matters that the finished workpart qualification rate of calcine technology is low.
Utility model content
The utility model is by providing a kind of load aging monitoring device, solve thermal treatment temperature control system of the prior art, at load aging to before losing efficacy, can not alarm operating personnel in time, the technical matters that the finished workpart qualification rate of the calcine technology of existence is low.
The embodiment of the present application provides following technical scheme:
A kind of load aging monitoring device, for monitoring the degree of aging of the load of thermal treatment temperature control system, comprising:
Current collection circuit, voltage collection circuit, divider, comparer and warning circuit;
One end of described current collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the current signal of the current value sign of collection being flowed through described load;
One end of described voltage collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the voltage signal of the magnitude of voltage by described for the sign of collection load;
The output terminal of described divider is connected with the input end of described comparer, inputs described comparer with the resistance signal of the resistance value by the described load of the sign calculated according to described voltage signal and described current signal;
The output terminal of described comparer is connected with described warning circuit, to export corresponding level to described warning circuit, to make described warning circuit according to described electrical level judging the need of output alarm signal according to described resistance signal and the comparative result of the standard value preset.
Optionally, described current collection circuit comprises current transformer and the first operational amplifier; Described first operational amplifier is connected between described current transformer and described divider, is sent to described divider after amplifying with the described current signal exported by described current transformer again; Described voltage collection circuit comprises voltage transformer (VT) and the second operational amplifier; Described second operational amplifier is connected between described voltage transformer (VT) and described divider, is sent to described divider after amplifying with the described voltage signal exported by described voltage transformer (VT) again.
Optionally, described comparer comprises storage unit, and described standard value is stored in described storage unit; When the absolute value of the difference of described resistance signal and described standard value is greater than predetermined threshold value, the described level that described comparer exports is high level; Otherwise the described level that described comparer exports is low level; When described warning circuit receives described high level, described warning circuit exports described alerting signal; When described warning circuit receives described low level, described warning circuit does not export described alerting signal.
Optionally, described device also comprises: standard value unit; Described standard value unit is connected with the input end of described comparer, to provide the standard signal of the described standard value of a sign to described comparer, with make described comparer can more described resistance signal and described standard signal to obtain described comparative result.
Optionally, described warning circuit comprises: voice guard and/or alarm lamp.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
The load aging monitoring device that the embodiment of the present application provides, current signal and voltage signal is gathered by current collection circuit and voltage collection circuit, and the resistance signal of the resistance value characterizing described load is calculated by divider, compare resistance signal and standard value by comparer again and judge that the resistance of load is whether also in the Standard resistance range of regulation, and the level characterizing comparative result is sent to described warning circuit, to make described warning circuit can according to described comparative result output alarm signal timely, thus realize load aging to cannot normally work time or before timely alarm staff change load, and then improve the finished workpart qualification rate of calcine technology.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the circuit diagram one of load aging monitoring device in the embodiment of the present application;
Fig. 2 is the circuit diagram two of load aging monitoring device in the embodiment of the present application.
Embodiment
The embodiment of the present application is by providing a kind of load aging monitoring device, solve thermal treatment temperature control system of the prior art, at load aging to before losing efficacy, can not alarm operating personnel in time, the technical matters that the finished workpart qualification rate of the calcine technology of existence is low.Achieve load aging to when cannot normally work or before timely alarm staff change load, and then improve the technique effect of finished workpart qualification rate of calcine technology.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
The application provides a kind of load aging monitoring device, for monitoring the degree of aging of the load of thermal treatment temperature control system, comprising:
Current collection circuit, voltage collection circuit, divider, comparer and warning circuit;
One end of described current collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the current signal of the current value sign of collection being flowed through described load;
One end of described voltage collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the voltage signal of the magnitude of voltage by described for the sign of collection load;
The output terminal of described divider is connected with the input end of described comparer, inputs described comparer with the resistance signal of the resistance value by the described load of the sign calculated according to described voltage signal and described current signal;
The output terminal of described comparer is connected with described warning circuit, to export corresponding level to described warning circuit, to make described warning circuit according to described electrical level judging the need of output alarm signal according to described resistance signal and the comparative result of the standard value preset.
Can be found out by foregoing, current signal and voltage signal is gathered by current collection circuit and voltage collection circuit, and the resistance signal of the resistance value characterizing described load is calculated by divider, compare resistance signal and standard value by comparer again and judge that the resistance of load is whether also in the Standard resistance range of regulation, and the level characterizing comparative result is sent to described warning circuit, to make described warning circuit can according to described comparative result output alarm signal timely, thus realize load aging to cannot normally work time or before timely alarm staff change load, and then improve the finished workpart qualification rate of calcine technology.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the utility model embodiment and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
In the present embodiment, providing a kind of load aging monitoring device, for monitoring the degree of aging of the load of thermal treatment temperature control system, please refer to Fig. 1, Fig. 1 is the circuit diagram one of load aging monitoring device in the embodiment of the present application, and described device comprises:
Current collection circuit 101, voltage collection circuit 102, divider 103, comparer 104 and warning circuit 105;
One end of described current collection circuit 101 is connected with described load, and the other end is connected with the input end of described divider 103, inputs described divider 103 with the current signal of the current value sign of collection being flowed through described load;
One end of described voltage collection circuit 102 is connected with described load, and the other end is connected with the input end of described divider 103, inputs described divider 103 with the voltage signal of the magnitude of voltage by described for the sign of collection load;
The output terminal of described divider 103 is connected with the input end of described comparer 104, inputs described comparer 104 with the resistance signal of the resistance value by the described load of the sign calculated according to described voltage signal and described current signal;
The output terminal of described comparer 104 is connected with described warning circuit 105, to export corresponding level to described warning circuit 105, to make described warning circuit 105 according to described electrical level judging the need of output alarm signal according to described resistance signal and the comparative result of the standard value preset.
Structure and the use of described load aging monitoring device in observation process of described load aging monitoring device is introduced below in conjunction with Fig. 1.
First, the structure of described load aging monitoring device is introduced.
In the embodiment of the present application, described current collection circuit 101 comprises current transformer 201 and the first operational amplifier 202 as shown in Figure 2; Described first operational amplifier 202 is connected between described current transformer 201 and described divider 103, is sent to described divider 103 after amplifying with the described current signal exported by described current transformer 201 again;
Described voltage collection circuit 102 comprises voltage transformer (VT) 203 and the second operational amplifier 204; Described second operational amplifier 204 is connected between described voltage transformer (VT) 203 and described divider 103, is sent to described divider 103 after amplifying with the described voltage signal exported by described voltage transformer (VT) 203 again.
In specific implementation process, it is identical with the gain of described second operational amplifier 204 that described first operational amplifier 202 can be set.
Specifically, arrange after described current signal and voltage signal amplify by operational amplifier and be sent to described divider 103 again, can described current signal and described voltage signal less time, signal is amplified, with the input request signal making described current signal and described voltage signal meet described divider 103.
Certainly, in specific implementation process, described current collection circuit 101 also can be the Intelligent current table that can export described current signal; Described voltage collection circuit 102 also can be the intelligent voltage table that can export described voltage signal.Now described Intelligent current table and described load in series, described intelligent voltage table is in parallel with described load.
In specific implementation process, described voltage signal and described current signal after described divider 103 carries out division arithmetic, the resistance signal R of acquisition
survey, described R
surveythe current resistive value of described load can be characterized.
In specific implementation process, the mode obtaining the standard value R preset can have two kinds:
One is, stores standard value R in comparer 104.
Namely described comparer 104 includes storage unit, stores default standard value R in described storage unit;
When the absolute value of the difference of described resistance signal and described standard value R is greater than predetermined threshold value, the described level that described comparer 104 exports is high level; Otherwise the described level that described comparer 104 exports is low level;
Corresponding, when described warning circuit 105 receives described high level, described warning circuit 105 exports described alerting signal; When described warning circuit 105 receives described low level, described warning circuit 105 does not export described alerting signal.
Another kind is, comparer 104 receives the standard signal of signature criteria value R.
Namely described device also comprises: standard value unit; Described standard value unit is connected with the input end of described comparer, to provide the standard signal of the described standard value of a sign to described comparer, with make described comparer can more described resistance signal and described standard signal to obtain described comparative result.
Specifically, described standard value R can measure for operating personnel or obtain according to operating experience, the resistance of the load that thermal treatment temperature control system normally works can be ensured, described predetermined threshold value can be measured for operating personnel or obtain according to operating experience, can ensure the resistance undulate quantity of the load that thermal treatment temperature control system normally works.As the resistance signal R obtained
surveyand the difference between standard value R is greater than when exporting threshold value, and comparer 104 exports high level, represent that load aging degree is serious, exceeded the performance index of normal work.Otherwise comparer 104 output low level, represents that load performance index is in normal range.
Certainly, in specific implementation process, the resistance signal R when obtaining also can be set
surveyand the difference between standard value R is greater than when exporting threshold value, comparer 104 output low level, represent that load aging degree is serious; Otherwise comparer 104 exports high level, represent that load performance index is in normal range.Corresponding, when changing described warning circuit 105 for receiving described low level, described warning circuit 105 exports described alerting signal; When described warning circuit 105 receives described high level, described warning circuit 105 does not export described alerting signal.
In the embodiment of the present application, described warning circuit 105 comprises: voice guard and/or alarm lamp.
Specifically, described voice guard can be hummer; Described alarm lamp can be LED.
That is, receive represent load aging degree serious level time, described warning circuit can send audio alert, and also can send the light warning of flicker or Chang Liang, this is not restricted.
Next, the use of described load aging monitoring device in observation process is introduced.
Hummer and alarm lamp is comprised for warning circuit 105:
When described load aging monitoring device is connected with described load, the current signal that described in described load aging monitoring device energy Real-time Collection, load is corresponding and voltage signal;
When described load aging, suppose that its resistance continues to reduce, the current collection circuit 101 of described load aging monitoring device and voltage collection circuit 102 gather current signal corresponding to described load and voltage signal respectively, and described current signal and described voltage signal are sent to described divider 103, to calculate the ratio of described voltage signal and described current signal, namely characterize the resistance signal of the resistance value of described load;
Described resistance signal is inputted described comparer 104 by described divider 103; The more described resistance signal of described comparer 104 and the standard value preset, when the absolute value of the difference of described resistance signal and described standard value R is greater than predetermined threshold value, described comparer 104 exports high level to warning circuit 105, represents that described load aging is serious, with cisco unity malfunction;
When warning circuit 105 receives described high level, the hummer of described warning circuit 105 is triggered, and sends chimes of doom, and the alarm lamp of described alarm is also triggered, and starts flicker, changes load to remind operating personnel.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
The load aging monitoring device that the embodiment of the present application provides, current signal and voltage signal is gathered by current collection circuit and voltage collection circuit, and the resistance signal of the resistance value characterizing described load is calculated by divider, compare resistance signal and standard value by comparer again and judge that the resistance of load is whether also in the Standard resistance range of regulation, and the level characterizing comparative result is sent to described warning circuit, to make described warning circuit can according to described comparative result output alarm signal timely, thus realize load aging to cannot normally work time or before timely alarm staff change load, and then improve the finished workpart qualification rate of calcine technology.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a load aging monitoring device, for monitoring the degree of aging of the load of thermal treatment temperature control system, is characterized in that, comprising:
Current collection circuit, voltage collection circuit, divider, comparer and warning circuit;
One end of described current collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the current signal of the current value sign of collection being flowed through described load;
One end of described voltage collection circuit is connected with described load, and the other end is connected with the input end of described divider, inputs described divider with the voltage signal of the magnitude of voltage by described for the sign of collection load;
The output terminal of described divider is connected with the input end of described comparer, inputs described comparer with the resistance signal of the resistance value by the described load of the sign calculated according to described voltage signal and described current signal;
The output terminal of described comparer is connected with described warning circuit, to export corresponding level to described warning circuit according to described resistance signal and the comparative result of the standard value preset, and then make described warning circuit according to described electrical level judging the need of output alarm signal.
2. device as claimed in claim 1, is characterized in that:
Described current collection circuit comprises current transformer and the first operational amplifier; Described first operational amplifier is connected between described current transformer and described divider, is sent to described divider after amplifying with the described current signal exported by described current transformer again;
Described voltage collection circuit comprises voltage transformer (VT) and the second operational amplifier; Described second operational amplifier is connected between described voltage transformer (VT) and described divider, is sent to described divider after amplifying with the described voltage signal exported by described voltage transformer (VT) again.
3. device as claimed in claim 1, it is characterized in that, described comparer comprises storage unit, and described standard value is stored in described storage unit;
When the absolute value of the difference of described resistance signal and described standard value is greater than predetermined threshold value, the described level that described comparer exports is high level; Otherwise the described level that described comparer exports is low level;
When described warning circuit receives described high level, described warning circuit exports described alerting signal; When described warning circuit receives described low level, described warning circuit does not export described alerting signal.
4. device as claimed in claim 1, is characterized in that, also comprise: standard value unit;
Described standard value unit is connected with the input end of described comparer, to provide the standard signal of the described standard value of a sign to described comparer, with make described comparer can more described resistance signal and described standard signal to obtain described comparative result.
5. the device as described in as arbitrary in claim 1-4, it is characterized in that, described warning circuit comprises: voice guard and/or alarm lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072755.2U CN204389617U (en) | 2015-02-02 | 2015-02-02 | A kind of load aging monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072755.2U CN204389617U (en) | 2015-02-02 | 2015-02-02 | A kind of load aging monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204389617U true CN204389617U (en) | 2015-06-10 |
Family
ID=53362325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520072755.2U Expired - Fee Related CN204389617U (en) | 2015-02-02 | 2015-02-02 | A kind of load aging monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204389617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767918A (en) * | 2016-08-16 | 2018-03-06 | 上海磁宇信息科技有限公司 | A kind of MRAM chip and its method of testing |
| CN108318740A (en) * | 2018-03-01 | 2018-07-24 | 昆明创培知识产权服务有限公司 | A kind of device measuring load electric leakage or aging using piezoelectrics |
-
2015
- 2015-02-02 CN CN201520072755.2U patent/CN204389617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767918A (en) * | 2016-08-16 | 2018-03-06 | 上海磁宇信息科技有限公司 | A kind of MRAM chip and its method of testing |
| CN108318740A (en) * | 2018-03-01 | 2018-07-24 | 昆明创培知识产权服务有限公司 | A kind of device measuring load electric leakage or aging using piezoelectrics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105067945A (en) | Intelligent detection unit with direct-current arcing detection function and junction box | |
| CN204389617U (en) | A kind of load aging monitoring device | |
| CN204131085U (en) | Based on the battery system anti-surge circuit of hot plug chip | |
| CN204391741U (en) | Surge protection circuit | |
| CN204314415U (en) | A kind of electrical heating wire broken thread detector | |
| CN204595075U (en) | Power-fail detection circuit and device | |
| CN203572900U (en) | Broken line detection circuit for state grid special transformer collection terminal control circuit | |
| CN204989375U (en) | Intellectual detection system unit and collection flow box with direct current draws arc to detect function | |
| CN204143198U (en) | Electricity cooking pot and control protective unit thereof | |
| CN203849320U (en) | Automatic alarm device used for detecting current over range | |
| CN103729008A (en) | Wide-current-range alternating-current and constant-current source compensation type control strategy | |
| CN203350670U (en) | Transformer cooling system comprehensive and intelligent controller | |
| CN203278221U (en) | Power supply lightning arrester with neutral-ground voltage detection | |
| CN208198134U (en) | A kind of accumulator of electric car monitoring system with overvoltage protection | |
| CN203365525U (en) | Power grid voltage detection device | |
| CN101820161A (en) | Power detection control circuit | |
| CN203166463U (en) | Over-current protection circuit | |
| CN201724974U (en) | Small-capacity harmonic full-current detection circuit | |
| CN105301343A (en) | Power monitoring system of three phase power supply | |
| CN204758688U (en) | Alternating current transships alarm device | |
| CN203086359U (en) | A capacitance-resistance voltage-reduction circuit with in-series loads | |
| CN211263600U (en) | Electrical detection device | |
| CN204928564U (en) | IPM short -circuit protection detection circuitry of converter | |
| CN204304398U (en) | A kind of high accuracy civil power monitoring system | |
| CN205158579U (en) | Motor electric current demodulation alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20200202 |