CN201549888U - Temperature double-protection DC supply lightning protector - Google Patents
Temperature double-protection DC supply lightning protector Download PDFInfo
- Publication number
- CN201549888U CN201549888U CN2009202480949U CN200920248094U CN201549888U CN 201549888 U CN201549888 U CN 201549888U CN 2009202480949 U CN2009202480949 U CN 2009202480949U CN 200920248094 U CN200920248094 U CN 200920248094U CN 201549888 U CN201549888 U CN 201549888U
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- lightning protection
- protection device
- temperature
- power supply
- insulation shell
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Abstract
The utility model relates to a temperature-control double-protection DC supply lightning protector, comprising a DC voltage dependent resistor, a low-temperature soldering tin, a thermosensitive element and a spring plectrum, wherein, after the thermosensitive element is connected in series with the spring plectrum, one end of the thermosensitive element is connected with the DC voltage dependent resistor through the low-temperature soldering tin to form a live wire and the other end of the thermosensitive element is used as a neutral wire; the DC voltage dependent resistor, the low-temperature soldering tin, the thermosensitive element and the spring plectrum are encapsulated as a whole into an insulated casing; the live wire and the neutral wire are connected electrically with terminals on the insulated casing. In the utility model, the thermosensitive element is added on the basis of the original mechanical protection mode achieves double protections; the double-protection design improves the secure protection performance of the lightning protector and guarantees more sensitive and reliable protection.
Description
Technical field
The utility model relates to a kind of AC power shocking preventing technology, a kind of specifically two protections of temperature control DC power supply lightning protection device that is applied in the thunder resisting equipment short-circuit protection.
Background technology
Continuous application along with electric power system high-precision electronic equipment, high-tech product continues to bring out, the particularly birth of the major progress of microelectric technique and very lagre scale integrated circuit (VLSIC) (VLSI), because especially the equipment energy consumption of VLSI technology is low, highly sensitive, volume is little to use microelectric technique, make Lightning Electromagnetic Pulse can produce the overvoltage percussion, even it is smashed electronic equipment.Therefore the lightning protection rank to electronic equipment also increases thereupon.The application of thunder resisting equipment at present is very general, has caused highlighting of lightning-protected product safety problem.In the short circuit system of lightning-protected product, monomer module such as Zinc-oxide piezoresistor autoprotection can only rely on air switch to disconnect the tripping protection circuit when excessive through-flow; And the integral type module as being that the integrated low temperature scolding tin of core adds the spring plectrum with the Zinc-oxide piezoresistor, also only limits to the mechanical type protection that low temperature scolding tin adds the spring plectrum, can not satisfy the security requirement of electronics lightning-protected product.
The utility model content
At above shortcomings part in the prior art, the technical problems to be solved in the utility model provides a kind of two protections of temperature control DC power supply lightning protection device that has increased the thermal sensing device on the basis of mechanical type protected mode.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Two protections of the utility model temperature control DC power supply lightning protection device; have the direct current piezo-resistance, comprise that also low temperature scolding tin, temperature-sensitive element and spring pull out sheet, after described temperature-sensitive element and spring pull out sheet and be connected in series; one end connects the direct current piezo-resistance by low temperature scolding tin becomes live wire, and the other end is a ground wire.
Described direct current piezo-resistance, low temperature scolding tin, temperature-sensitive element and spring pull out the sheet overall package in insulation shell, and live wire and ground wire are electrically connected with binding post on being located at insulation shell; Described insulation shell is provided with the fault display window, and this fault display window is at the inner corresponding fault show bar that is pulled out the sheet drive by spring of insulation shell; Described temperature-sensitive element is temperature control diode or thermal relay; It is the bimetal leaf form that described spring pulls out sheet; Described lightning protection device is two covers, is installed on respectively in the insulation shell, and live wire and ground wire are electrically connected with binding post on being located at insulation shell; Two insulation shells are parallel to connect as one.
The utlity model has following beneficial effect and advantage:
1. the utility model has increased the duplicate protection design of the equal element of temperature-sensitive again on the basis of mechanical type protected mode, has improved the safeguard protection performance of lightning protection device self, and is sensitive more, reliable.
Description of drawings
Fig. 1 is the utility model internal structure schematic diagram;
Fig. 2 is the electric hookup of the 1st embodiment of the utility model;
Fig. 3 is the electric hookup of the 2nd embodiment of the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, two protections of the utility model temperature control DC power supply lightning protection device has direct current piezo-resistance 1, comprise that also low temperature scolding tin 2, temperature-sensitive element 3 and spring pull out sheet 4, after described temperature-sensitive element 3 and spring pull out sheet 4 and are connected in series, one end connects direct current piezo-resistance 1 by low temperature scolding tin 2 becomes live wire, and the other end is a ground wire; Described direct current piezo-resistance 1, low temperature scolding tin 2, temperature-sensitive element 3 and spring pull out sheet 4 integral installations in insulation shell 5, and live wire and ground wire are electrically connected with binding post on being located at insulation shell 5.
In the present embodiment, temperature-sensitive element 3 adopts the temperature control diode, is specially patch-type switching diode (temperature control), model: CDBAV70 SOD-23), spring pulls out sheet 4 and is the bimetal leaf form.One end of direct current piezo-resistance 1 is by an end of low temperature scolding tin 2 connection temperature-sensitive elements 3, and the other end of temperature-sensitive element 3 pulls out sheet 4 with spring and links to each other, and an end of direct current piezo-resistance 1 is the L line, and the other end that spring pulls out sheet 4 is a ground wire.Also temperature-sensitive element 3 and spring can be pulled out sheet 4 transpositions, an end that is pulled out sheet 4 by spring connects direct current piezo-resistance 1 by low temperature scolding tin 2, and an end of temperature-sensitive element 3 is as ground wire.Before adopting, present embodiment plants the mode of connection.
Direct current piezo-resistance 1, low temperature scolding tin 2, temperature-sensitive element 3 and spring are pulled out sheet 4 overall package in insulation shell 5, and live wire L and zero line N are electrically connected with being located at insulation shell 5 upper connecting terminals in insulation shell 5, and this binding post links to each other with external power cord again.Described insulation shell 5 is provided with the fault display window, and this fault display window is at the insulation shell 5 inner corresponding fault show bars that pulled out sheet 4 drives by spring.
As shown in Figure 2, during use, the utility model is used and should be installed under the situation of deenergization, so as to avoid an accident in the lightning protection protective system of DC power supply.Present embodiment is installed in two protections of two temperature controls DC power supply lightning protection device on the 35mm standard electrical track in the protected equipment DC power cabinet; two protections of temperature control DC power supply lightning protection device is electrically connected between live wire and the ground wire; another is electrically connected between zero line and the ground wire, and the sectional area that inserts lead must meet the parameter list requirement.
In the practical application, the binding post on the insulation shell 5 is made the plug form, the socket that provides for two protections of temperature control DC power supply lightning protection device is provided in the lightning protection protective system of DC power supply in advance, directly the utility model is inserted and promptly finished wiring.
The utility model need not special maintenance, and whether only need make regular check on its connection loosening, and operating state indicates whether normally to get final product (module was aging when the fault display window showed redness); Show that through indication window behind the thunderstorm weather redness is a normal phenomenon, illustrate that lightning protection device moves), should buy new module immediately and change.
Embodiment 2
As shown in Figure 3; be with the difference of embodiment 1: protect the insulation shell 5 of DC power supply lightning protection device to link together two identical of the temperature controls of two structures of using among the embodiment 1 by rivet is parallel; the ground wire of two lightning protection devices is connected; two protections of last temperature control DC power supply lightning protection device is electrically connected between live wire and the ground wire, and another is electrically connected between zero line and the ground wire and gets final product.
Embodiment 3
Be with the difference of embodiment 1 or embodiment 2: temperature-sensitive element 3 adopts thermal relay, is specially thermostat relay JUC-31F DH 40, and the back panel wiring mode is identical with embodiment 1.
Claims (6)
1. the DC power supply lightning protection device is protected in two of temperature controls; has the direct current piezo-resistance; it is characterized in that also comprising: low temperature scolding tin (2), temperature-sensitive element (3) and spring pull out sheet (4); after described temperature-sensitive element (3) and spring pull out sheet (4) and are connected in series; one end connects direct current piezo-resistance (1) by low temperature scolding tin (2) becomes live wire, and the other end is a ground wire.
2. by two protections of the described temperature control of claim 1 DC power supply lightning protection device; it is characterized in that: described direct current piezo-resistance (1), low temperature scolding tin (2), temperature-sensitive element (3) and spring pull out sheet (4) overall package in insulation shell (5), and live wire and ground wire are electrically connected with binding post on being located at insulation shell (5).
3. by the described temperature control of claim 2 a pair protection DC power supply lightning protection device, it is characterized in that: described insulation shell (5) is provided with the fault display window, and this fault display window is at the inner corresponding fault show bar that is pulled out sheet (4) drive by spring of insulation shell (5).
4. by two protections of the described temperature control of claim 1 DC power supply lightning protection device, it is characterized in that: described temperature-sensitive element (3) is temperature control diode or thermal relay.
5. by two protections of the described temperature control of claim 1 DC power supply lightning protection device, it is characterized in that: described spring pulls out sheet (4) and is the bimetal leaf form.
6. by two protections of the described temperature control of claim 1 DC power supply lightning protection device, it is characterized in that: described lightning protection device is two covers, is installed on respectively in the insulation shell (5), and live wire and ground wire are electrically connected with binding post on being located at insulation shell (5); Two insulation shells (5) are parallel to connect as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202480949U CN201549888U (en) | 2009-11-16 | 2009-11-16 | Temperature double-protection DC supply lightning protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202480949U CN201549888U (en) | 2009-11-16 | 2009-11-16 | Temperature double-protection DC supply lightning protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549888U true CN201549888U (en) | 2010-08-11 |
Family
ID=42605069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202480949U Expired - Lifetime CN201549888U (en) | 2009-11-16 | 2009-11-16 | Temperature double-protection DC supply lightning protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064173A (en) * | 2019-12-03 | 2020-04-24 | 国网浙江平阳县供电有限责任公司 | Lightning protection device for power distribution network |
-
2009
- 2009-11-16 CN CN2009202480949U patent/CN201549888U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064173A (en) * | 2019-12-03 | 2020-04-24 | 国网浙江平阳县供电有限责任公司 | Lightning protection device for power distribution network |
| CN111064173B (en) * | 2019-12-03 | 2021-11-02 | 国网浙江平阳县供电有限责任公司 | Lightning protection device for power distribution network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110000 SHENYANG, LIAONING PROVINCE TO: 110004 SHENYANG, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130930 Address after: 110004, 35, Miyoshi street, Heping District, Liaoning, Shenyang Patentee after: E-Sun Technology Co., Ltd. Address before: Heping District, Liaoning city of Shenyang province 110000 Street No. 35 (South Building twelve) Patentee before: Shenyang S-sun Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |