CN204538683U - A kind of Novel electric surge protector - Google Patents
A kind of Novel electric surge protector Download PDFInfo
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- CN204538683U CN204538683U CN201420709089.4U CN201420709089U CN204538683U CN 204538683 U CN204538683 U CN 204538683U CN 201420709089 U CN201420709089 U CN 201420709089U CN 204538683 U CN204538683 U CN 204538683U
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- protective device
- overcurrent protective
- novel electric
- surge protector
- lightning protection
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Abstract
The utility model relates to a kind of Novel electric surge protector, mainly comprises lightning protection component, temperature sensor, overcurrent protective device, thermel protection device, time delay step electromagnet, sensing chip, break contact, arc-chute, arc extinguishing magnetic blow-out plate, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, splicing ear and upper and lower terminals; Lightning protection component and overcurrent protective device series connection, form surge and to release path.Temperature sensor in the utility model can sense the temperature of lightning protection component and temperature information is converted into current information; introduce time delay step electromagnet; when power current flow through surge release path time; step electromagnet can link by Crush trigger; disconnect break contact; surge is released path open circuit; the action situation of the action blind area solving existing thermel protection device and overcurrent protective device from basic and overcurrent protective device, thermel protection device and the working condition of lightning protection component unknowable, the security hidden trouble brought.
Description
Technical field
The utility model belongs to the surge protection technical field of electronic electric equipment.
Background technology
Thunder and lightning aloft to be discharged a kind of special weather phenomenon caused by charged cloud.Thunder and lightning is the major reason causing electronic equipment to damage, and it threatens the safe and stable operation of the every field electronic informations such as building, railway, civil aviaton, communication, industry control, military affairs.It is one of important measures of lightning protection that the metallic circuits such as the power line be connected with electronic equipment, holding wire and control line install surge protector.Surge protector has been widely used in various field, has important effect in lightning protection.The quality of its state then directly affects its lightning protection effect, thus brings hidden danger to the safety of institute's proterctive equipment.
Present stage SPD has Thermal protection and overcurrent protection (internal or external) two kinds of protective devices in use usually; thermel protection device is used for protecting lightning protection component deterioration heating; overcurrent protective device is used for the lightning protection component puncture short preventing transient over-current or overvoltage from causing; simultaneously overcurrent protection as a kind of backup protection mode of Thermal protection, so effective protective action can be played in most of occasion.
But because heat transfer is a relatively slow process, the sensitivity of thermel protection device is low, still effective protection can be played for slow temperature-rise period, but for low (in) steep temperature rise situation owing to causing under sustained over voltage condition in pressing system, Thermal protection trip gear can not this process of perception in time and action does not occur, cause lightning protection component breakdown, power current enters SPD circuit, when this power frequency electric flow valuve does not reach the initiation value of overcurrent protective device, also can not there is action in overcurrent protective device, thus cause SPD on fire; If the initiation value of overcurrent protective device is selected little, though can start, be difficult to resist the impact of lightning current, cause SPD cannot normally to release lightning current.
And; the thermel protection device of existing surge protector and the operate condition of overcurrent protective device can not be grasped in time by user; the using state of surge protector internal lighting protection element can not be known by user simultaneously; thus cause to safeguard surge protector timely or changing inner member or device, cause thunderbolt or other accidents.
In sum, there is serious action blind area in protection angle in existing SPD, in this region, and all akinesias of thermel protection device and overcurrent protective device, thus there is serious potential safety hazard; Simultaneously overcurrent protective device and the action situation of thermel protection device and the working condition of lightning protection component can not be learnt in time by user, bring serious potential safety hazard equally.
Utility model content
In order to effectively solve the above prior-art problems; the utility model proposes a kind of easy for installation and Novel electric surge protector for power-supply system of dependable performance; the action situation of the action blind area of the existing thermel protection device of basic solution and overcurrent protective device and overcurrent protective device, thermel protection device and the working condition of lightning protection component unknowable, the security hidden trouble brought.
The utility model is by the following technical solutions: the utility model is for the surge protector in power electronic circuits system, and described surge protector mainly comprises lightning protection component, power current inhibitor, temperature sensor, overcurrent protective device, thermel protection device, time delay step electromagnet, sensing chip, tripping mechanism, break contact, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, splicing ear and shell.Described lightning protection component and overcurrent protective device series connection, form surge and to release path; Described thermel protection device is positioned at lightning protection component electrode pin place; Described temperature sensor comprises two types, and be respectively contact and contactless, its output is connected with time delay step electromagnet; The other end of described time delay step electromagnet acts on sensing chip; Described break contact is normally closed and be connected on surge and release on path, and described break contact comprises moving contact and fixed contact; Described sensing chip is connected by trip gear with moving contact; Described signal sensor be installed on lightning protection component electrode surface or near, or be installed on surge and release near path, be connected with data cell by signal transmssion line; Described overcurrent protective device detector is parallel to overcurrent protective device two ends, is connected with data cell through signal transmssion line; Described data cell is connected with splicing ear by connecting line.
The wire that in the utility model, the thermometric object of temperature sensor can be released on path for surge, also can be lightning protection component, the temperature information that temperature sensor is responded to is converted into current information, the temporal difference of signal heat production that described time delay step electromagnet can be exported respectively by temperature sensor senses lightning current and power current is as the foundation of disjunction SPD path, realize a kind of parametrization to control, power current is the periodic wave of Millisecond, time delay step electromagnet can through pulse number stepping, quick-action after Millisecond time delay, promote tablet, drive tripping mechanism, disjunction surge is released path, play a protective role, lightning current is fast-changing Microsecond grade pulse, and time delay step electromagnet can not complete pulse number stepping, enter delay stage, and lightning current flows through, so tripping mechanism is failure to actuate, ensures that lightning current is released smoothly, break contact is by reset switch hand-reset simultaneously, described arc-control device comprises arc-chute and arc extinguishing magnetic blow-out plate, may be used for the electric arc produced when eliminating moving contact and fixed contact disjunction.
Described signal sensor can be installed on lightning protection component electrode surface or near, the detection temperature of lightning protection component, magnetic field, the signal such as infrared; Also can be installed on surge releases near path, and detection surge is released the signals such as the temperature of path, magnetic field, infrared, electric power; Signal sensor can also detect the action situation of thermel protection device.Described overcurrent protective device detector can detect the state of overcurrent protective device, and exports to data cell through signal transmssion line.Described data cell built-in power, or obtain power supply by connecting line from splicing ear outside.
The working method of this Novel electric surge protector: when surge current flows through, by temperature sensor senses to temperature signal be converted to electric signal transmission after treatment to time delay step electromagnet, but lightning current is fast-changing Microsecond grade pulse, time delay step electromagnet can not complete pulse number stepping, electromagnetism actuating mechanism is failure to actuate, and SPD normally releases surge current; Now signal sensor can detect that lightning protection component itself or surge are released the change of the signals such as temperature on path, magnetic field, infrared, electric power, thus analyze the information such as lightning current size, waveform, the record thunderbolt time, this type of information is sent to data cell through data line, data cell is connected with external equipment by connecting line, splicing ear, and described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.When lightning protection component deterioration, when power frequency leakage current flows through lightning protection component, be installed on lightning protection component electrode tip thermel protection device heating melt, make surge release path disconnect, avoid surge protector breaking out of fire; Now signal sensor can detect thermel protection device action; this signal can be sent to data cell through data line; data cell is connected with external equipment by connecting line, splicing ear, and described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.When power system failure, power current flow through, lightning protection component inefficacy short circuit time, power current inhibitor in protective device can play inhibitory action to the electric current now flow through, cause and can slowly be risen by the power frequency electric flow valuve of lightning protection component, extend the time of SPD breaking out of fire accident; Now power current is the periodic wave of Millisecond, the quick-action after pulse number stepping, Millisecond time delay of time delay step electromagnet, promotes tablet, drives tripping mechanism, disconnects break contact, cuts off surge and to release path, play a protective role to lightning protection component.Now overcurrent protective device detector will detect that overcurrent protective device disconnects, this signal can be sent to data cell through data line, and data cell sends signal by connecting line to splicing ear external equipment.Described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.
In above three processes, signal sensor signals such as temperature on path, magnetic field, infrared, electric power of all lightning protection component detected or surge being released send to data cell through data line, data cell sends signal by connecting line to splicing ear external equipment, to learn the using state of lightning protection component, life-span, event record.Described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.
Of the present utility modelly to be characterised in that:
1. this Novel electric surge protector solves the action blind zone problem of thermel protection device and overcurrent protective device; Described moving contact is controlled by tripping mechanism, and tripping mechanism controls by time delay step electromagnet, and the current source on time delay step electromagnet is in temperature sensor.
2. the lightning protection component of this Novel electric surge protector, temperature sensor, overcurrent protective device, power current inhibitor, thermel protection device, time delay step electromagnet, break contact, tripping mechanism, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, splicing ear accessible site is in one, be loaded on housing, meet power consumption equipment to surge protector discharge capacity, the requirement of response time and voltage protection level three indexs, enhance the reliability of equipment, also can be encapsulated in different modules and combine, be convenient to install and use,
3. this Novel electric surge protector can not have overcurrent protective device.
4. the temperature sensor of this Novel electric surge protector can be contact type temperature sensor, also can be non-contact temperature sensor, the wire that its detected object can be released on path for surge, also can be lightning protection component.
5. the splicing ear of this Novel electric surge protector can be connected with external equipment, and the signal that signal sensor and overcurrent protective device detector detect is sent to external equipment, makes monitor staff grasp the various states of surge protector.Described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.Described data acquisition equipment can gather the information of multiple surge protector, and the described network switching equipment can connect multiple data acquisition equipment.
Accompanying drawing explanation
Fig. 1 is the first example structure of the present utility model
Fig. 2 is the schematic diagram of the first embodiment of the present utility model
Fig. 3 is the schematic diagram of the second embodiment of the present utility model
Fig. 4 is the schematic diagram of the 3rd embodiment of the present utility model
Fig. 5 is the utility model protected effect schematic diagram
Fig. 6 is the utility model workflow diagram ideally
Fig. 7 is the utility model group network system first embodiment schematic diagram
Fig. 8 is the utility model group network system second embodiment schematic diagram
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
As shown in the figure, 1 is upper terminals, 2 is break contacts, 3 is tripping mechanisms, 4 is reset switches, 5 is tablets, 6 is temperature sensors, 7 is power current inhibitor, 8 is lower terminals, 9 is shells 1, 10 is lightning protection components, 11 is time delay step electromagnets, 12 is arc-chutes, 13 is arc extinguishing magnetic blow-out plates, 14 is shells 2, 15 is overcurrent protective devices, 16 is thermel protection devices, 17 is fixed contacts, 18 is moving contacts, 19 is arc-extinguishing mechanisms, 20 is signal sensors, 21 is signal transmssion lines 1, 22 is overcurrent protective device detectors, 23 is signal transmssion lines 2, 24 is data cells, 25 is connecting lines, 26 is splicing ears, 27 is this Novel electric surge protectors, 28 is data acquisition equipments, 29 is watch-dogs, 30 is connecting lines 1, 31 is data wires, 32 is network switching equipment.
Fig. 1 is the structural representation of the utility model first embodiment, and under described upper terminals (1), power current inhibitor (7), lightning protection component (10), overcurrent protective device (15), thermel protection device (16), break contact (2), terminals (8) are connected in series.
Described power current inhibitor (7), is series between upper and lower terminals, has inhibitory action to the power current flow through, and can race against time for lightning protection component fault is on fire below.
Described thermel protection device (16) is positioned at lightning protection component electrode pin place, and when there being less power current to flow through lightning protection component, thermel protection device action, disconnects surge and to release path, protection lightning protection component.
Described lightning protection component (10), comprises piezo-resistance, discharge tube, TVS one or a combination set of;
Described temperature sensor (6) can the temperature of induction temperature sensing object, and temperature information is converted into current information and is transferred to time delay step electromagnet (11), described temperature sensor (6) comprises contact type temperature sensor, as: bimetal thermometer, thermoelectric couple, gas thermometer etc., also non-contact temperature sensor is comprised, as: infrared sensor, microwave remote sensor etc.The position of described temperature sensor (6) with thermometric mode and thermometric object change and change.Only giving thermometric object at this is lightning protection component, and thermometric mode is contactless structure chart, schematic diagram.
When moving contact (18) and fixed contact (17) disconnect, namely when path open circuit is released in surge, reset manually by reset switch (4), make surge path recovery of releasing through-flow, thus make unspoiled SPD again take back circuit.
Described arc-extinguishing mechanism (19) comprises arc-chute (12) and arc extinguishing magnetic blow-out plate (13), and it is for eliminating the electric arc produced when moving contact (18) and fixed contact (17) disconnect.
Described overcurrent protective device (15) can be fuse or circuit breaker, and when the electric current flowing through lightning protection component is larger power current, this device effect, disconnects surge and to release path, protection lightning protection component (10).
Described signal sensor (20) is installed on lightning protection component (10) surface, the temperature of detection lightning protection component (10), magnetic field, the signal such as infrared, signal sensor (20) also detects the action situation of thermel protection device (16) simultaneously, and exports to data cell (24) through signal transmssion line 1 (21); Described overcurrent protective device detector (22) is connected in parallel on overcurrent protective device (15) two ends, the state of detection overcurrent protective device (15), and export to data cell (24) through signal transmssion line 2 (23); Described data cell (24) built-in power, also can pass through connecting line (25) and obtain power supply from splicing ear (26) outside.
Fig. 2 is the schematic diagram of the first embodiment, namely when power current flows through lightning protection component (10), temperature sensor (6) records corresponding variations in temperature, again corresponding current information is transferred to time delay step electromagnet (11), trigger the mechanical linkage of tripping mechanism (3), disconnect break contact (2), disconnect surge and to release path.
Fig. 3 is the schematic diagram of the utility model second embodiment, overcurrent protective device (15) is not had in the surge protector of this embodiment, only comprise surge to release path, temperature sensor (6), power current inhibitor (7), time delay step electromagnet (11), tablet (5), tripping mechanism (3), break contact (2), signal sensor (20), signal transmssion line (21), overcurrent protective device detector (22), signal transmssion line (23), data cell (24), connecting line (25), splicing ear (26).This second embodiment gives the fundamental diagram of the surge protector in the utility model in such cases.Because surge protector in use; if inside does not have built-in overcurrent protective device; so rear end must be connected in series overcurrent protective device; therefore the Novel electric surge protector that describes of the present embodiment have power current by time can allow the timely action of its external overcurrent protective device, thus surge protector is departed from main circuit.
Fig. 4 is the schematic diagram of the 3rd embodiment of the present utility model, in the practical application of surge protector, may there is described lightning protection component (10) and temperature sensor (6), power current inhibitor (7), overcurrent protective device (15), thermel protection device (16), , time delay step electromagnet (11), tripping mechanism (3), break contact (2), , signal sensor (20), signal transmssion line (21), overcurrent protective device detector (22), signal transmssion line (23), data cell (24), connecting line (25), splicing ear (26) is installed on the situation of different housings, only lists wherein a kind of fundamental diagram at this, by lightning protection component (10), temperature sensor (6), , signal sensor (20), signal transmssion line (21), data cell (24), connecting line (25), splicing ear (26) is installed in shell 1 (9), and all the other elements are installed in shell 2 (14), in practical application, may there is the situation that element is installed on multiple shell, the program is also applicable to other distortion in the case simultaneously.
Fig. 1, Fig. 2 are the embodiment that each element concentrates on one, and Fig. 3, Fig. 4 then illustrate each element and also can be installed on different housings or be encapsulated in the embodiment combined in disparate modules.
Fig. 5 is the utility model protected effect schematic diagram, power frequency short circuit current is divided into three parts: little power current refers to the current range that thermel protection device can start; Large power frequency short circuit current refers to the current range that overcurrent protective device can start; Marginal, be the power frequency short circuit current action blind area of existing surge protector protective device, be called for short action blind area.
The utility model is for the surge protector in power electronic circuits system and protective device thereof, and this problem of action blind area can be overcome, workflow ideally as shown in Figure 6, namely by the protection of protective device realization to surge protector internal environment that be core with temperature sensor (6) and step electromagnet (11), described protective device mainly comprises break contact (2), tripping mechanism (3), reset switch (4), tablet (5), temperature sensor (6), power current inhibitor (7), time delay step electromagnet (11), arc-chute (12), arc extinguishing magnetic blow-out plate (13), upper terminals (1), lower terminals (8), overcurrent protective device (15) and thermel protection device (16).
Fig. 7 is the utility model group network system first embodiment schematic diagram; in figure, connecting line 1 (30) is connected with data acquisition equipment (28) after being linked together by several this Novel electric surge protectors (27), and data acquisition equipment (28) is connected with watch-dog (29) by data wire (31).Described connecting line 1 (30) accesses the splicing ear (26) of this Novel electric surge protector (27), and described data acquisition equipment (28) internally data cell (24) can provide power supply.Described connecting line 1 (30) can be 485 buses or CAN or other line styles.Described data wire (31) can be netting twine, optical fiber or other line styles.
Fig. 8 is the utility model group network system second embodiment schematic diagram; in figure, the network switching equipment (32) can gather the data of multiple data acquisition equipment (28); be transferred to watch-dog (29) simultaneously, form the intelligent monitoring network of surge protector (27).
Utilize the technical solution of the utility model, reach corresponding technique effect, or not departing from the technical scheme equivalents under design philosophy of the present utility model, all within protection range of the present utility model.
Claims (12)
1. a Novel electric surge protector, comprise lightning protection component, overcurrent protective device, thermel protection device and shell, described lightning protection component and overcurrent protective device series connection, form surge to release path, described thermel protection device is positioned on lightning protection component electrode, it is characterized in that: this Novel electric surge protector also comprises power current inhibitor, temperature sensor, time delay step electromagnet, sensing chip, break contact, tripping mechanism, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, splicing ear; Described power current inhibitor is connected on surge and releases on path; Described break contact comprises moving contact and fixed contact; The output of described temperature sensor is connected with time delay step electromagnet input; Described time delay step electromagnet controls sensing chip action; Described sensing chip is connected by tripping mechanism with moving contact; Described moving contact and fixed contact normally closed and be series at surge and release path; Described signal sensor is connected with data cell by signal transmssion line; Described overcurrent protective device detector is parallel to overcurrent protective device two ends, is connected with data cell through signal transmssion line; Described data cell is connected with splicing ear by connecting line.
2. a kind of Novel electric surge protector according to claim 1, is characterized in that: this Novel electric surge protector does not have overcurrent protective device.
3. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: after described moving contact and fixed contact disconnect, and can not close before overcurrent protective device disconnects again.
4. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: described break contact has reset switch.
5. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: time delay step electromagnet adopts the time difference of lightning current and power current to control, as the foundation of disjunction SPD path to realize parametrization.
6. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: described time delay step electromagnet controls moving contact action by mechanical linkage.
7. a kind of Novel electric surge protector according to claim 1 and 2; it is characterized in that: described lightning protection component and temperature sensor, overcurrent protective device, thermel protection device, power current inhibitor, time delay step electromagnet, electromagnetism actuating mechanism, break contact, tripping mechanism, signal sensor, signal transmssion line, overcurrent protective device detector, data cell, connecting line, splicing ear, be arranged in same housing or be installed on different housings or be encapsulated in different modules and combine.
8. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: described overcurrent protective device can be fuse or circuit breaker.
9. a kind of Novel electric surge protector according to claim 1 and 2, is characterized in that: described lightning protection component can be piezo-resistance, discharge tube, TVS one or a combination set of.
10. a kind of Novel electric surge protector according to claim 1 and 2; it is characterized in that: the thermometric of described temperature sensor transducer to as if lightning protection component or the surge wire of releasing on path; described temperature sensor comprises noncontact and contacts two types, is arranged on surface or the side of thermometric object according to characteristic difference.
11. a kind of Novel electric surge protectors according to claim 1 and 2, is characterized in that: described signal sensor be installed on lightning protection component electrode surface or near, or be installed on surge and release near path.
12. a kind of Novel electric surge protectors according to claim 1 and 2; it is characterized in that: described data cell is connected with external equipment by connecting line, splicing ear, and described external equipment can be data acquisition equipment, the network switching equipment, watch-dog etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709089.4U CN204538683U (en) | 2014-11-10 | 2014-11-10 | A kind of Novel electric surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709089.4U CN204538683U (en) | 2014-11-10 | 2014-11-10 | A kind of Novel electric surge protector |
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| CN204538683U true CN204538683U (en) | 2015-08-05 |
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| CN201420709089.4U Active CN204538683U (en) | 2014-11-10 | 2014-11-10 | A kind of Novel electric surge protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656009A (en) * | 2014-11-10 | 2016-06-08 | 孙麓轩 | Novel surge protector |
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2014
- 2014-11-10 CN CN201420709089.4U patent/CN204538683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656009A (en) * | 2014-11-10 | 2016-06-08 | 孙麓轩 | Novel surge protector |
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