CN201369082Y - Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit - Google Patents
Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit Download PDFInfo
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- CN201369082Y CN201369082Y CNU2008202316013U CN200820231601U CN201369082Y CN 201369082 Y CN201369082 Y CN 201369082Y CN U2008202316013 U CNU2008202316013 U CN U2008202316013U CN 200820231601 U CN200820231601 U CN 200820231601U CN 201369082 Y CN201369082 Y CN 201369082Y
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- 238000001514 detection method Methods 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
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Abstract
The utility model aims at providing an electrical signal processing device of a line-type heat sensitive detector for detecting a multi-core short circuit, mainly comprising a shell and an internal circuit, wherein the internal circuit mainly comprises a homopolar short-circuit detecting circuit, a microprocessor circuit, a DC amplifying circuit, a power supply circuit, an indicating circuit, an external control circuit and an input circuit. The electrical signal processing device of the line-type heat sensitive detector for detecting the multiple-core short circuit can overcome the defects when being connected with the prior multi-core heat sensitive cable and can not influence a normal alarming function of the line-type heat sensitive detector when the core short circuit of the heat sensitive cable is detected.
Description
Technical field
The utility model relates to a kind of electric signal process unit of fire detector, particularly a kind of fire detector electric signal process unit that can detect short circuit between any homopolarity core of temperature sensing cable that is connected.
Technical background
At present, line-type heat detector is the extremely wide fire detector of a kind of purposes, and along with raising to the line-type heat detector request for utilization, the temperature sensing cable of line-type heat detector develops into multi-thread core by two original cores, reference by signal or signal between the multi-thread core of temperature sensing cable change improves precision and accuracy that line-type heat detector is reported a fire.But multi-thread core temperature sensing cable in use, owing to reasons such as installation or the damages of temperature sensing cable external force, may be short-circuited between the core of temperature sensing cable, when between the core of temperature sensing cable during short circuit, the method of reporting a fire by the reference of signal or signal variation between the multi-thread core of temperature sensing cable lost efficacy, have a strong impact on the warning performance of line-type heat detector, therefore need the signal processing apparatus that can solve multi-thread these problems of core temperature sensing cable.
Summary of the invention
The line-type heat detector electric signal process unit that the purpose of this utility model provides a kind of multi-thread core short-circuit detecting mainly is made of housing and internal circuit, the circuit board of internal circuit is fixed in the housing by screw, wherein internal circuit is mainly by the homopolarity short-circuit detecting circuit, microcontroller circuit, dc amplification circuit, power circuit, indicating circuit, out control circuit, input circuit constitutes, power circuit wherein, indicating circuit, out control circuit, input circuit is connected to microcontroller circuit respectively, the homopolarity short-circuit detecting circuit is connected to dc amplification circuit respectively, dc amplification circuit is connected to microcontroller circuit again, and the multi-thread core temperature sensing cable of required detection is connected to the homopolarity short-circuit detecting circuit by the cable special purpose interface.The design can overcome the shortcoming that is connected with existing multi-thread core temperature sensing cable in the use, and does not influence the Normal Alarm function of line-type heat detector between to the temperature sensing cable core in the short-circuit detecting process.
Description of drawings
Fig. 1 is the shape assumption diagram of the line-type heat detector electric signal process unit of a kind of multi-thread core short-circuit detecting of the utility model;
Fig. 2 is the circuit structure block diagram of the line-type heat detector electric signal process unit embodiment two of a kind of multi-thread core short-circuit detecting of the utility model;
Fig. 3 is the circuit structure block diagram of the line-type heat detector electric signal process unit embodiment three of a kind of multi-thread core short-circuit detecting of the utility model;
Fig. 4 is the circuit structure block diagram of the line-type heat detector electric signal process unit embodiment four of a kind of multi-thread core short-circuit detecting of the utility model.
Embodiment
A kind of line-type heat detector electric signal process unit of multi-thread core short-circuit detecting is seen Fig. 1, mainly is made of housing 1 and internal circuit, and the circuit board of internal circuit 2 is fixed in the housing by screw.The design can overcome the shortcoming that is connected with existing multi-thread core temperature sensing cable in the use, and does not influence the Normal Alarm function of line-type heat detector between to the temperature sensing cable core in the short-circuit detecting process.
Embodiment 2, a kind of line-type heat detector electric signal process unit of multi-thread core short-circuit detecting, see Fig. 2, the design's internal circuit mainly is made of homopolarity short-circuit detecting circuit, microcontroller circuit, dc amplification circuit, power circuit, indicating circuit, out control circuit, input circuit, and described homopolarity short-circuit detecting circuit is made of mixed signal circuits, detecting circuit.Wherein power circuit, indicating circuit, out control circuit, input circuit are connected to microcontroller circuit respectively, the homopolarity short-circuit detecting circuit is connected to dc amplification circuit respectively, dc amplification circuit is connected to microcontroller circuit again, and the multi-thread core temperature sensing cable of required detection is connected to the homopolarity short-circuit detecting circuit by the cable special purpose interface.
Be used for short-circuit detecting between the core of the multi-thread core temperature sensing cable of routine is finished by mixed signal circuits, the detecting circuit of described homopolarity short-circuit detecting circuit; Described electric signal process unit is to the signal of each temperature-sensitive core of temperature sensing cable to the different frequency that superposes on direct current signal between the signal ground, detecting circuit carries out detection to each core simultaneously, when the signal of detected signal of detecting circuit and stack not simultaneously, illustrate that having two between the temperature sensing cable core at least exists short circuit, electric signal process unit promptly sends the short trouble alerting signal.Wherein can any and distinguishing signal of direct current signal at the signal of temperature sensing cable core stack.
Embodiment 3, a kind of line-type heat detector electric signal process unit of multi-thread core short-circuit detecting, see Fig. 3, the design's internal circuit mainly is made of homopolarity short-circuit detecting circuit, microcontroller circuit, power circuit, indicating circuit, out control circuit, input circuit, and wherein said homopolarity short-circuit detecting circuit can also be made of signal processing circuit, bleeder circuit.Wherein power circuit, indicating circuit, out control circuit, input circuit are connected to microcontroller circuit respectively, the multi-thread core temperature sensing cable of required detection is connected to the homopolarity short-circuit detecting circuit by the cable special purpose interface, and the homopolarity short-circuit detecting circuit is connected to microcontroller circuit again.
The function of short-circuit detecting is by the signal processing circuit of described homopolarity short-circuit detecting circuit between the core of conventional multi-thread core temperature sensing cable, bleeder circuit is finished: electric signal process unit is that the different cores of temperature sensing cable apply different voltage by bleeder circuit and terminal resistance in the termination box, be that each core voltage-to-ground of temperature sensing cable is all inequality, when detecting core, signal processing circuit powers on Hair Fixer when giving birth to transient change or the setting value that voltage raises being arranged, illustrate that having two between the temperature sensing cable core at least exists short circuit, electric signal process unit promptly sends the short trouble alerting signal.
Embodiment 4, a kind of line-type heat detector electric signal process unit of multi-thread core short-circuit detecting, see Fig. 4, described signal processing apparatus inside mainly is made of homopolarity short-circuit detecting circuit, microcontroller circuit, signal processing circuit, power circuit, indicating circuit, out control circuit, input circuit, and wherein said homopolarity short-circuit detecting circuit can also be made of current detection circuit.Wherein power circuit, indicating circuit, out control circuit, input circuit are connected to microcontroller circuit respectively, the multi-thread core temperature sensing cable of required detection is connected to the homopolarity short-circuit detecting circuit by the cable special purpose interface, and the homopolarity short-circuit detecting circuit is connected to microcontroller circuit again.
Detecting the function of short circuit between conventional multi-thread core temperature sensing cable core is finished by the current detection circuit of described homopolarity short-circuit detecting circuit: electric signal process unit detects the electric current that each core of temperature sensing cable flows through by current detection circuit, when current detection circuit detects on the core electric current generation transient change value, illustrate that having two between the temperature sensing cable core at least exists short circuit, electric signal process unit promptly sends the short trouble alerting signal.
Claims (4)
1, a kind of line-type heat detector electric signal process unit of multi-thread core short-circuit detecting mainly is made of housing (1) and internal circuit, the circuit board of internal circuit (2) is fixed in the housing by screw, it is characterized in that: described internal circuit mainly is made of homopolarity short-circuit detecting circuit, microcontroller circuit, dc amplification circuit, power circuit, indicating circuit, out control circuit, input circuit; Wherein power circuit, indicating circuit, out control circuit, input circuit are connected to microcontroller circuit respectively, the homopolarity short-circuit detecting circuit is connected to dc amplification circuit respectively, dc amplification circuit is connected to microcontroller circuit again, and the multi-thread core temperature sensing cable of required detection is connected to the homopolarity short-circuit detecting circuit by the cable special purpose interface.
2, according to the line-type heat detector electric signal process unit of the described a kind of multi-thread core short-circuit detecting of claim 1, it is characterized in that: described homopolarity short-circuit detecting circuit is made of mixed signal circuits, detecting circuit.
3, according to the line-type heat detector electric signal process unit of the described a kind of multi-thread core short-circuit detecting of claim 1, it is characterized in that: described homopolarity short-circuit detecting circuit or constitute by signal processing circuit, bleeder circuit.
4, according to the line-type heat detector electric signal process unit of the described a kind of multi-thread core short-circuit detecting of claim 1, it is characterized in that: described homopolarity short-circuit detecting circuit or constitute by current detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202316013U CN201369082Y (en) | 2008-12-12 | 2008-12-12 | Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202316013U CN201369082Y (en) | 2008-12-12 | 2008-12-12 | Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369082Y true CN201369082Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202316013U Expired - Lifetime CN201369082Y (en) | 2008-12-12 | 2008-12-12 | Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit |
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| Country | Link |
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| CN (1) | CN201369082Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353320A (en) * | 2011-07-06 | 2012-02-15 | 宝钢发展有限公司 | Temperature sensing cable ranging method and range finder |
-
2008
- 2008-12-12 CN CNU2008202316013U patent/CN201369082Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353320A (en) * | 2011-07-06 | 2012-02-15 | 宝钢发展有限公司 | Temperature sensing cable ranging method and range finder |
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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: Shenyang Putaian Technology Co.,Ltd. Assignor: Zhang Chen Contract record no.: 2014210000036 Denomination of utility model: Electrical signal processing device of line-type heat sensitive detector for detecting multi-core short circuit Granted publication date: 20091223 License type: Exclusive License Record date: 20140505 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160408 Address after: Shen Liaodong road Tiexi District of Shenyang City, Liaoning province 110022 47-2 Acer international city 31-2 Patentee after: Shenyang Putaian Technology Co.,Ltd. Address before: Shenyang City, Liaoning City Road 110011, Shenhe District 35 block A No. 3 Patentee before: Zhang Chen |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091223 |