CN201656759U - On-board surge protection device for integrated module - Google Patents
On-board surge protection device for integrated module Download PDFInfo
- Publication number
- CN201656759U CN201656759U CN2010201646973U CN201020164697U CN201656759U CN 201656759 U CN201656759 U CN 201656759U CN 2010201646973 U CN2010201646973 U CN 2010201646973U CN 201020164697 U CN201020164697 U CN 201020164697U CN 201656759 U CN201656759 U CN 201656759U
- Authority
- CN
- China
- Prior art keywords
- dependent resistor
- voltage dependent
- chip
- independent voltage
- independent
- 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
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to an on-board surge protection device for an integrated module, which is used for a rectifier module in a communication power supply system. The on-board surge protection device comprises a housing formed by buckling a base and an outer cover, a protection module comprising two independent voltage-sensitive resistance chips and a conjoined voltage-sensitive resistance chip is mounted in the housing, wherein the two independent voltage-sensitive resistance chips are arranged on the two sides of the base, the conjoined voltage-sensitive resistance chip is arranged in the middle of the two independent voltage-sensitive resistance chips, and the two inner pins of the conjoined voltage-sensitive resistance chip are respectively and electrically connected with temperature-sensing terminals of the two independent voltage-sensitive resistance chips through metal spring sheets in a low-temperature welding spots manner. The utility model is applied to surge over-voltage protection between a live wire, a neutral wire and an ground wire of electrical equipment, and can replace conventional 2-3 protection modules with one protection module and have high modularity degree; moreover, the utility model has the advantages of low residual voltage value, high protection level and disengaging sensitivity, quick response speed and the like.
Description
Technical field
The utility model relates to surge protector on the plate that rectifier module uses in a kind of power supply system for communications, surge protector on particularly a kind of full template.
Background technology
At present, the surge protector that rectifier module uses in the power supply system for communications as shown in Figure 8, this surge protector generally all is made of a piezo-resistance MOV and a Thermal Cutoffs TCO series connection.During use, it is parallel on the feeder ear of protected electrical equipment.Generally need between live wire L and the zero line N, between live wire L and the ground wire PE and between zero line N and the ground wire PE surge protector is set respectively.When feeder ear voltage just often; piezo-resistance presents high-impedance state; be equivalent to open circuit; make the feeder ear normal power supply; when thunder and lightning surge high voltage appears in feeder ear; piezo-resistance present low resistive state immediately and with the feeder ear voltage limit within the voltage range that electrical equipment can bear, play the effect of overvoltage protection.When piezo-resistance deterioration heating reached the temperature that Thermal Cutoffs sets, Thermal Cutoffs disconnected, and makes piezo-resistance withdraw from circuit, and the voltage at its two ends is zero, prevented the piezo-resistance persistent fever and caused burning and burst.The subject matter that this surge protector exists is:
1, the degree of modularity of surge protector is lower, needs to be provided with 2～3 protectors between three feeder ears, and is loosely organized, is difficult to adapt to the requirement of rectifier moduleization in the power supply system for communications.
2, overall performance is desirable not enough, as: action sensitivity is not high enough, and particularly Thermal Cutoffs is difficult to be close to chip because shell is arranged, so the control temperature is not accurate enough; Also have the residual voltage value low inadequately, the protection level is high inadequately.
The utility model content
The utility model purpose is in order to overcome the shortcoming of prior art, surge protector on a kind of full template to be provided, to improve the degree of modularity of surge protector, simultaneously, improve the performance of its each side, making its compact conformation, function admirable.
For achieving the above object, the technical solution of the utility model is as follows:
It has a shell that is made of base and outer cover fastening, and a protection module is housed in this shell, and this protection module is made up of two independent voltage dependent resistor chips and a disjunctor voltage dependent resistor chip;
Described independent voltage dependent resistor chip is made of a chip body and the pole piece that is located at these chip body both ends of the surface, on a pole piece, be provided with a temperature-sensitive terminal, be provided with pin outside in another pole piece lower end, this independent piezo-resistance is inserted on the base by its outer pin respectively;
Its special character is:
Described disjunctor voltage dependent resistor chip comprises that two chip bodies, these two chip bodies are connected as a single entity by a middle pole piece, outer face at these two chips respectively is provided with pole piece outside, these two outer pole pieces are electrically connected by a conducting strip, outside described two, also connect an interior pin on the pole piece respectively, the lower end of pole piece is provided with pin outside in the middle of described, and this disjunctor voltage dependent resistor chip is inserted on the base by its outer pin;
Described two independent voltage dependent resistor chips are arranged in the both sides of base, and there is the one side of temperature-sensitive terminal relative in twos, described disjunctor voltage dependent resistor chip is arranged in the centre of two independent voltage dependent resistor chips, and pin is electrically connected with the low temperature solder joint with the temperature-sensitive terminal of two independent voltage dependent resistor chips by a metal spring sheet respectively in two.
The further improved technical scheme of the utility model is as follows:
Each correspondence of installation place of the installation place of two independent voltage dependent resistor chips on described base and disjunctor voltage dependent resistor chip is provided with a pair of folder backplate, on the folder backplate of described independent voltage dependent resistor chip, be provided with a location hole, and on independent voltage dependent resistor chip, be provided with a hangnail, this hangnail stretches in the location hole of described outer casing when independent voltage dependent resistor chip is inserted on the base, make independent voltage dependent resistor chip obtain the location, on the outer pin of described independent voltage dependent resistor chip and disjunctor voltage dependent resistor chip, be equipped with a horizontal wing, be used for the following location of voltage dependent resistor chip.
The utility model characteristics compared with the prior art are as follows:
One, two independent piezo-resistances of the present utility model have constituted a protector with connecting with described disjunctor piezo-resistance after a low temperature dropout solder joint is connected respectively again; it can substitute above-mentioned existing three protectors; reached full modularization; simultaneously; it has carried out again rationally, compact structure layout (particularly reducing the height of module); it can be plugged on the rectifier wiring board, the degree of modularity that improves rectifier is contributed.
Two, the utility model can make this protector have lower residual voltage value by the parameter matching of two independent piezo-resistances and a disjunctor piezo-resistance, and its protection level is higher than above-mentioned existing protector.
Three, low temperature dropout solder joint of the present utility model can carry out at 2 and adopts heat, a bit is piezo-resistance temperature-sensitive terminal, the interior pin of disjunctor piezo-resistance on the other hand, it than existing low temperature thread off Duo one adopt focus, so the temperature susceplibility height, response is soon quick.
Four, further to improve be to be voltage dependent resistor chip set-point, the upper and lower location structure of line formula to the utility model, makes the contact area of chip and shell reach minimum, prevents the chip housing that ignites that generates heat, and can improve its fire resistance.
Description of drawings
Fig. 1, overall structure cutaway view of the present utility model.
The structural representation of Fig. 2, independent voltage dependent resistor chip.
The structural representation of Fig. 3, disjunctor voltage dependent resistor chip.
The A-A cutaway view of Fig. 4, Fig. 1.
The B-B cutaway view of Fig. 5, Fig. 1.
Fig. 6, the utility model are opened the perspective view of outer cover.
Fig. 7, circuit theory diagrams of the present utility model.
The circuit theory diagrams of Fig. 8, existing surge protector.
Embodiment
Referring to Fig. 1, this protector has a shell that is made of base 1 and outer cover 2 fastenings, and a protection module is housed in this shell, and this protection module is made up of 3,4 and disjunctor voltage dependent resistor chips 5 of two independent voltage dependent resistor chips.
Referring to Fig. 1,2, described independent voltage dependent resistor chip 3 is made of a chip body 3-1, the pole piece 3-2, the 3-3 that are located at these chip body both ends of the surface and an anti-flaming thermal-insulation plate 3-6, bending goes out a temperature-sensitive terminal 3-21 on pole piece 3-2, be provided with pin 3-31 outside in the lower end of pole piece 3-3, this independent voltage dependent resistor chip is inserted on the base 1 by its outer pin 3-31; The structure of independent voltage dependent resistor chip 4 is identical with independent voltage dependent resistor chip 3.
Referring to Fig. 1,3, described disjunctor voltage dependent resistor chip 5 comprises that two chip body 5-1,5-2, these two chip bodies are connected as a single entity by a middle pole piece 5-3, in the outer face of these two chips pole piece 5-4,5-5 outside one are set respectively, these two outer pole pieces are electrically connected by a metallic conduction sheet 5-6, outside described two, also weld interior pin 5-7, a 5-8 on the pole piece respectively, the lower end of pole piece 5-3 is provided with pin 5-31 outside in the middle of described, and this disjunctor voltage dependent resistor chip 5 is inserted on the base 1 by its outer pin 5-31.
Again referring to Fig. 1,3,5,6, described two independent voltage dependent resistor chips 3,4 are arranged in the both sides of base, and there is the one side of temperature-sensitive terminal 3-21,4-21 relative in twos, described disjunctor voltage dependent resistor chip 5 is arranged in the centre of two independent voltage dependent resistor chips 3,4, and pin 5-7,5-8 are electrically connected with low temperature solder joint 8,9 with temperature-sensitive terminal 3-21, the 4-21 of two independent piezo-resistances by a metal spring sheet 6,7 respectively in two.As shown in Figure 5, low temperature solder joint 8 has disjunctor voltage dependent resistor chip pin 5-8 and two of independent voltage dependent resistor chip temperature-sensitive terminal 3-21 adopt focus, can make low temperature solder joint temperature-sensitive sensitivity, threads off fast.The structure of low temperature solder joint 9 is identical with low temperature solder joint 8.
Referring to Fig. 1～6, for this protection module is stably installed in the enclosure, the installation place of two independent voltage dependent resistor chips 3,4 on described base 1 and each correspondence of installation place of disjunctor voltage dependent resistor chip 5 are provided with a pair of folder backplate 1-1,1-2,1-3 (see figure 1); Simultaneously, in order to reduce the contact area of voltage dependent resistor chip and shell, described folder backplate is the inclination when preventing the chip plug-in mounting just, do not contact with chip, simultaneously, this example adopts following chip location structure, with the contact area of further minimizing piezo-resistance and chip.Wherein the location structure of independent voltage dependent resistor chip is the example explanation with chip 3, promptly on the outer casing 1-1 ' of described chip 3 folder backplate 1-1, be provided with a location hole 1-11 (seeing Fig. 1,6), on the pole piece 3-3 of independent voltage dependent resistor chip 3, be provided with a hangnail 3-32 (see figure 2), this hangnail stretches among the location hole 1-11 of described outer casing when chip 3 is inserted on the base 1, make chip 3 obtain the location, its location hole and hangnail also can be arranged on inner casing and the pole piece 3-2, can play same positioning action; Simultaneously, on the outer pin 3-31 of chip 3, be provided with a horizontal wing 3-33 (see figure 4), be used for the following slotting location of chip 3, the upper and lower point (hangnail) of orientating as of chip 3 is contacted with line (the horizontal wing); The location structure of described chip 4 is identical with chip 3.The following location of described disjunctor voltage dependent resistor chip 5 is identical with independent voltage dependent resistor chip 3,4, promptly outside it, be provided with same horizontal wing 5-32 (see figure 3) on the pin 5-31, location is by locating metal spring sheet 6,7 and 3,4 being connected of temperature-sensitive terminal of chip on it, and the upper and lower location of this chip 5 is still point (low temperature solder joint) and contacts with line (the horizontal wing).
Referring to Fig. 7, when this protector shown in the figure uses and the syndeton of electric power supply end live wire L, zero line N and ground wire PE.As can be seen from the figure; carry out overvoltage protection by two independent voltage dependent resistor chips 3,4 between live wire L and the zero line N; carry out overvoltage protection by independent voltage dependent resistor chip 4 and disjunctor piezo-resistance 5 between live wire L and the ground wire PE, between zero line N and the ground wire PE by independent voltage dependent resistor chip 3 be connected voltage dependent resistor chip 5 and carry out overvoltage protection.Therefore, the utility model has been realized the defencive function of existing three protection modules with a protection module.Wherein low temperature solder joint 8,9 any one dropout all can make this protection module withdraw from supply line, and provide the deterioration indication by the pressure relief vent 2-2 (see figure 4) place of action on shell of dropout spring leaf.The utility model has carried out parameter matching with the puncture voltage of independent piezo- resistance 3,4 and disjunctor piezo-resistance 5, so the residual voltage value of this protector is more much lower than prior art, the protection level is higher.
Claims (2)
1. surge protector on the full template,
It has a shell that is made of base (1) and outer cover (2) fastening, and a protection module is housed in this shell, and this protection module is made up of two independent voltage dependent resistor chips (3,4) and a disjunctor voltage dependent resistor chip (5);
Described independent voltage dependent resistor chip is made of a chip body (3-1) and the pole piece (3-2,3-3) that is located at these chip body both ends of the surface, on a pole piece (3-2), be provided with a temperature-sensitive terminal (3-21), be provided with pin outside (3-31) in another pole piece (3-3) lower end, this independent piezo-resistance is inserted on the base (1) by its outer pin;
It is characterized in that:
Described disjunctor voltage dependent resistor chip (5) comprises that two chip bodies (5-1,5-2), these two chip bodies are connected as a single entity by a middle pole piece (5-3), pole piece outside one (5-4,5-5) respectively is set in the outer face of these two chips, these two outer pole pieces are electrically connected by a conducting strip (5-6), outside described two, also connect an interior pin (5-7,5-8) on the pole piece respectively, the lower end of pole piece (5-3) is provided with pin outside (5-31) in the middle of described, and this disjunctor voltage dependent resistor chip (5) is inserted on the base (1) by its outer pin (5-31);
Described two independent voltage dependent resistor chips (3,4) are arranged in the both sides of base (1), and there is the one side of temperature-sensitive terminal (3-21,4-21) relative in twos, described disjunctor voltage dependent resistor chip (5) is arranged in the centre of two independent voltage dependent resistor chips (3,4), and pin (5-7,5-8) is electrically connected with low temperature solder joint (8,9) with the temperature-sensitive terminal (3-21,4-21) of two independent voltage dependent resistor chips by a metal spring sheet (6,7) respectively in two.
2. surge protector on the full template according to claim 1; it is characterized in that: two independent voltage dependent resistor chips (3 on described base (1); 4) each correspondence of installation place of installation place and disjunctor voltage dependent resistor chip (5) is provided with a pair of folder backplate (1-1; 1-2; 1-3); on the folder backplate of described independent voltage dependent resistor chip, be provided with a location hole; and on independent voltage dependent resistor chip, be provided with a hangnail; this hangnail is inserted at independent voltage dependent resistor chip and stretches in the location hole of described outer casing when base (1) is gone up; make independent voltage dependent resistor chip obtain the location; at described independent voltage dependent resistor chip (3; 4) and be equipped with a horizontal wing on the outer pin of disjunctor voltage dependent resistor chip (5), be used for the following location of voltage dependent resistor chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201646973U CN201656759U (en) | 2010-04-20 | 2010-04-20 | On-board surge protection device for integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201646973U CN201656759U (en) | 2010-04-20 | 2010-04-20 | On-board surge protection device for integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656759U true CN201656759U (en) | 2010-11-24 |
Family
ID=43121989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201646973U Expired - Fee Related CN201656759U (en) | 2010-04-20 | 2010-04-20 | On-board surge protection device for integrated module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565604A (en) * | 2010-12-07 | 2012-07-11 | 中国电信股份有限公司 | Device and method for automatic alarming of power supply arrestor |
| CN102655322A (en) * | 2012-05-09 | 2012-09-05 | 隆科电子(惠阳)有限公司 | Full module-protected surge protector |
| CN103683247A (en) * | 2012-09-12 | 2014-03-26 | 中国铁道科学研究院通信信号研究所 | Power lighting protection box |
-
2010
- 2010-04-20 CN CN2010201646973U patent/CN201656759U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565604A (en) * | 2010-12-07 | 2012-07-11 | 中国电信股份有限公司 | Device and method for automatic alarming of power supply arrestor |
| CN102565604B (en) * | 2010-12-07 | 2015-07-22 | 中国电信股份有限公司 | Device and method for automatic alarming of power supply arrestor |
| CN102655322A (en) * | 2012-05-09 | 2012-09-05 | 隆科电子(惠阳)有限公司 | Full module-protected surge protector |
| CN102655322B (en) * | 2012-05-09 | 2014-12-24 | 隆科电子(惠阳)有限公司 | Full module-protected surge protector |
| CN103683247A (en) * | 2012-09-12 | 2014-03-26 | 中国铁道科学研究院通信信号研究所 | Power lighting protection box |
| CN103683247B (en) * | 2012-09-12 | 2017-05-10 | 中国铁道科学研究院通信信号研究所 | Power lighting protection box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208352551U (en) | Small spacing high speed Orthogonal connector | |
| EP2441145B1 (en) | Circuit protection device for photovoltaic systems | |
| CN201656759U (en) | On-board surge protection device for integrated module | |
| CN204089185U (en) | Surge protection device | |
| CN208478744U (en) | A kind of attaching plug overtemperature protection system | |
| CN102655322B (en) | Full module-protected surge protector | |
| CN101998764A (en) | Matrix MOV circuit board structure and manufacturing method thereof | |
| CN201717616U (en) | Surge protection device on zero power consumption board | |
| CN204946991U (en) | Battery pack | |
| CN103674296A (en) | Circuit device and method of manufacturing the same | |
| CN202602273U (en) | Surge protective device for full mold | |
| CN207474395U (en) | A kind of Surge Protector | |
| CN209642317U (en) | A kind of pcb board load formula surge protector | |
| CN104968145A (en) | Circuit board device | |
| CN204761836U (en) | Novel circuit board device | |
| CN209912640U (en) | Diversion electrode, surge protection assembly and surge protector | |
| CN207967929U (en) | A kind of onboard surge protection device of bipolarity | |
| CN101901704A (en) | Power-off protector and lighting device using same | |
| CN216054483U (en) | Portable mini board carries protector | |
| CN218633325U (en) | Surge protector and electronic equipment | |
| CN214313364U (en) | Plug pin type voltage acquisition and surface-mounted temperature acquisition battery module | |
| CN217545590U (en) | Onboard surge protector convenient and fast to assemble | |
| CN216413459U (en) | A busbar and row of inserting for row's circular telegram is connected | |
| CN211350897U (en) | Battery module structure | |
| CN221202137U (en) | Photovoltaic application surge protector |
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: 20101124 Termination date: 20180420 |