CN203069695U - Self-recovery thermal protector tester - Google Patents
Self-recovery thermal protector tester Download PDFInfo
- Publication number
- CN203069695U CN203069695U CN 201220684890 CN201220684890U CN203069695U CN 203069695 U CN203069695 U CN 203069695U CN 201220684890 CN201220684890 CN 201220684890 CN 201220684890 U CN201220684890 U CN 201220684890U CN 203069695 U CN203069695 U CN 203069695U
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- China
- Prior art keywords
- recovery heat
- contact
- heat protector
- relay
- cooling fan
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Abstract
The utility model relates to a self-recovery thermal protector tester which is used for detecting the working life of a self-recovery thermal protector. The self-recovery thermal protector tester comprises a power supply, a controller, a heating fan and a cooling fan, wherein the power supply supplies power for the controller, the heating fan and the cooling fan, the heating fan and the cooling fan are respectively arranged at two sides of the self-recovery thermal protector, and the controller controls the heating fan and the cooling fan through the switching on/off of the self-recovery thermal protector so as to make the heating fan and the cooling fan work alternately, and records the number of times of work alternation of the heating fan and the cooling fan. According to the self-recovery thermal protector tester of the utility model, the complete-circuit-controlled tester is adopted to replace a mechanical-controlled detecting device in the prior art; and the self-recovery thermal protector tester is advantageous in improved reliability, improved work efficiency, low prices of each component and easiness in implementation.
Description
Technical field
The utility model relate to a kind of to carry out from the recovery heat protector that mission life detects from recovery heat protector tester.
Background technology
(abbreviation heat guarantor) is a kind of electric elements of holding circuit safety from the recovery heat protector; its function is to exceed standard when consuming device temperature rises under abnormal conditions such as transformer from the recovery heat protector, ballast resistor, motor are housed; when reaching setting value; its meeting automatic shutoff circuit; when temperature dropped to a certain extent; it can recover to connect circuit again, like this consuming device is shielded.And this element has life standard, the number of times that namely switches on and off should be no less than 5000 times when dispatching from the factory, wherein one logical one disconnected the calculation once.
At present, whether reach standard in order to detect this element, usually the tester that adopts is: have the miniature electric oven of an opening to heat for a long time a front, its furnace chamber temperature is about about 300 degree, to be protected by calorimetric and be fixed on the baby track that to advance and retreat, baby track is controlled by a cylinder, heat is protected advancing furnace chamber earlier, after pyrogenicity to be heated is protected disconnection, pass through electric control circuit, by cylinder hot Paula is gone out furnace chamber, treat the nature cooling, after heat is taken care of yourself new connection, send furnace chamber again to, and counting once, and so cylinder to-and-fro movement repeatedly is up to end of test (EOT).This tester is bulky, complicated in mechanical structure and expensive.
Therefore, how to provide a kind of physical construction simple, cheap be the technical matters that those skilled in the art need to be resolved hurrily from recovery heat protector tester.
The utility model content
It is a kind of from recovery heat protector tester that the utility model provides, problem big from recovery heat protector tester volume in the prior art to solve, complicated in mechanical structure.
For solving the problems of the technologies described above; it is a kind of from recovery heat protector tester that the utility model provides; for detection of the mission life from the recovery heat protector; comprise power supply; controller; heating blower and cooling fan; described power supply is described controller; heating blower and cooling fan power supply; described heating blower and cooling fan are located at the both sides from the recovery heat protector respectively; described controller is controlled described heating blower and cooling fan alternation by described break-make from the recovery heat protector, and records the number of times of described heating blower and cooling fan alternation.
Preferably; described controller comprises start button, first relay, second relay, counter, solid-state relay and load; described start button and the two ends that are connected to described power supply after described first relay is connected; but described load cooling fan in parallel, described with second relay is in parallel with the recovery heat protector; the two ends of described power supply are inserted in the two series connection back; the input termination power of described solid-state relay, output termination heating blower.
Preferably; described first relay comprises first contact, second contact, the 3rd contact and the 4th contact; but described first contact and second contact are series at respectively in the loop of power supply, load and recovery heat protector composition; described the 3rd contact is connected between the input end of described power supply and described solid-state relay, and described the 4th contact is parallel to described start button two ends.
Preferably, described second relay comprises the 5th contact and the 6th contact, and described the 5th contact is connected between the dc power supply terminal of the control end of described solid-state relay and described counter, and described the 6th contact is connected between two counting ends of described counter.
Preferably, described controller also comprises a timing relay, and described timing relay is in parallel with described load.
Preferably, described timing relay comprises the 7th contact, and described the 7th contact is series in the branch road of described start button and described first relay composition.
Preferably, described controller comprises that also one exchanges current detector, and described interchange current detector is series in the branch road of described load and described cooling fan composition.
Preferably, described load is by in the first connection terminal place in circuit.
Preferably, but described recovery heat protector by in the second connection terminal place in circuit.
Preferably, be provided with power switch between the two poles of the earth of described power supply.
Compared with prior art, the utlity model has following advantage:
1. the utility model is finished control procedure by electric elements, need not to use the mechanical motion cylinder, thereby has improved the reliability from recovery heat protector tester;
2. need not to use the electrothermal oven of long-term heating, only need in the time period of needs heating, to be measured heating from the recovery heat protector to be got final product, thereby saved electric energy;
3. place cooling naturally under the normal temperature state compared to prior art from the recovery heat protector, the utility model adopts cooling fan to make its quick cooling, thereby has improved work efficiency;
4. employed various electric elements are electric elements commonly used, cheap in the utility model, and are with low cost, are easy to realize.
Description of drawings
Fig. 1 is the structural representation from recovery heat protector tester of the utility model one embodiment;
Fig. 2 is the circuit theory diagrams from recovery heat protector tester of the utility model one embodiment.
Among the figure: F: from the recovery heat protector; E: power supply; A: heating blower; B: cooling fan; T: start button; J1: first relay; J1-1: first contact; J1-2: second contact; J1-3: the 3rd contact; J1-4: the 4th contact; J2: second relay; J2-1: the 5th contact; J2-2: the 6th contact; C: counter; Z: zero key; SSR: solid-state relay; R: load; SJ: timing relay; SJ-1: the 7th contact; V: exchange current detector; D1: first connection terminal; D2: second connection terminal; K: power switch.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.It should be noted that the utility model accompanying drawing all adopts the form of simplification and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
The utility model provide from recovery heat protector tester; as depicted in figs. 1 and 2; for detection of the mission life from recovery heat protector F; comprise power supply E; controller; heating blower A and cooling fan B; described power supply E is described controller; heating blower A and cooling fan B power supply; described heating blower A and cooling fan B are located at the both sides from recovery heat protector F respectively; described controller is controlled described heating blower A and cooling fan B alternation by described break-make from recovery heat protector F, and records the number of times of described heating blower A and cooling fan B alternation.The utility model utilizes described heating blower A to heat from recovery heat protector F described; the controller counting once; when temperature arrives to a certain degree; describedly disconnect from recovery heat protector F; circuit disconnects; described heating blower A quits work; described cooling fan B work; cool off from recovery heat protector F described; recover conducting state until it; so circulation repeatedly; constant until circuit maintenance open circuit or short-circuit condition, at this moment, the numerical value that controller records is survey from the serviceable life of recovery heat protector F; choose that in the batch of material several are to be measured to be checked from recovery heat protector F, judge once whether the yield in this batch of material meets standard.
Preferably, please continue with reference to figure 1 and Fig. 2, described controller comprises start button T, first relay J 1, second relay J 2, counter C, solid-state relay SSR and load R, described solid-state relay SSR is contactless relay, comprises input circuit, isolation (coupling) and control circuit.Described start button T and the two ends that are connected to described power supply E after described first relay J 1 is connected; but described load R is in parallel with recovery heat protector F with second relay J, 2 cooling fan B in parallel, described; the two ends of described power supply E are inserted in the two series connection back; the input termination power E of described solid-state relay SSR, output terminal meets heating blower A respectively.Particularly, described first relay J 1 comprises the first contact J1-1, the second contact J1-2, the 3rd contact J1-3 and the 4th contact J1-4, but the described first contact J1-1 and the second contact J1-2 are series at respectively in the loop of power supply E, load R and recovery heat protector F composition, when 1 conducting of first relay J, there is voltage at described load R two ends; Described the 3rd contact J1-3 is connected between the input end of described power supply E and described solid-state relay SSR, is used for the break-make of the described solid-state relay SSR of control; Described the 4th contact J1-4 is parallel to described start button T two ends, is used for guaranteeing 1 conducting of first relay J when described start button T upsprings, and plays the effect of self-locking.
Preferably, please continue with reference to figure 2, described second relay J 2 comprises the 5th contact J2-1 and the 6th contact J2-2, described the 5th contact J2-1 is connected between the dc power supply terminal of the control end of described solid-state relay SSR and described counter C, described the 6th contact J2-2 is connected between two counting ends of described counter C, and described counter C counting once when described the 6th contact J2-2 is closed.
Preferably; please continue with reference to figure 2; described controller also comprises a timing relay SJ; described timing relay SJ is in parallel with described load R; when tested from recovery heat protector F because when short circuit and life termination; because there is voltage in described load R two ends; described timing relay SJ conducting; preferably, described timing relay SJ comprises the 7th contact SJ-1, and described the 7th contact SJ-1 is series in the branch road of described start button T and described first relay J, 1 composition; after arriving certain hour (adjustable); described the 7th contact SJ-1 disconnects, and disconnects first relay J 1 then, thereby reaches protective effect.
Preferably; please continue with reference to figure 2; described controller comprises that also one exchanges current detector V; described interchange current detector V is series in the branch road of described load R and described cooling fan B composition; described interchange current detector V is for detection of electric current electric weight and demonstration; be whether conducting of circuit, that is to say from recovery heat protector F to be in conducting state or off-state.
Preferably, please refer to Fig. 1 and Fig. 2, described load R connects the working current of the numerical value decision-making circuit of load R by in the first connection terminal D1 place in circuit in the circuit; But described recovery heat protector F that is to say by in the second connection terminal D2 place in circuit, and the load R in the circuit and be removable components and parts from recovery heat protector F makes the use of this utility model convenient flexibly.
Preferably, please continue to be provided with power switch K between the two poles of the earth of described power supply E with reference to figure 1 and Fig. 2, be used for the break-make of control entire circuit.
Please continue with reference to figure 1 and Fig. 2, will be described further job step and the principle from recovery heat protector tester of the present utility model below:
1. but connect tested recovery heat protector F at the second connection terminal D2 place, connect supporting load R at the first connection terminal D1 place;
2. open total power switch K, connect power supply E, counter C lights, and enters standby condition;
3. press start button T, 1 conducting of first relay J, power supply E makes load R by the first contact J1-1, the second contact J1-2 and starts working from recovery heat protector F, connect the input end of solid-state relay SSR simultaneously by the 3rd contact J1-3, load this moment R two ends produce voltage, 2 adhesives of second relay J and timing relay energising timing, the 5th contact J2-1 connects solid-state relay SSR, add Hot-air fan A to heating from recovery heat protector F, simultaneously described the 6th contact J2-2 conducting work, described counter C counting is once;
4. when when recovery heat protector F is heated to uniform temperature; at once disconnect; load this moment R two ends no-voltage; described second relay J 2 discharges, and adds Hot-air fan A and disconnects, at this moment; being connected to cooling fan B on recovery heat protector F obtains voltage and begins cold wind is blowed to from recovery heat protector F; when when recovery heat protector F is cooled to uniform temperature, to recover automatically again to connect, entire circuit repeats above action.
5. when from recovery heat protector F life termination, two states is arranged, a kind of is open circuit, and another kind is short circuit: when when recovery heat protector F opens a way, and only cooling fan B work, counter C remains on the state of last work number of times; And work as from recovery heat protector F short circuit; because there is voltage in load R two ends; and and connect timing relay SJ adhesive behind certain hour at its two ends; it is adhesive after 3 minutes in the present embodiment; the 7th contact SJ-1 disconnects, and disconnects first relay J 1 then, thereby reaches protective effect; and counter C remains on the state of last work number of times equally, namely from the mission life number of times of recovery heat protector F.
Need to prove, when needs carry out next test from recovery heat protector F, press earlier the zero key Z on the counter C, make counter C zero clearing.
In sum; the utility model provide from recovery heat protector tester; for detection of the mission life from recovery heat protector F; comprise power supply E; controller; heating blower A and cooling fan B; described power supply E is described controller; heating blower A and cooling fan power supply B; described heating blower A and cooling fan B are located at the both sides from recovery heat protector F respectively; described controller is controlled described heating blower A and cooling fan B alternation by described break-make from recovery heat protector F, and records the number of times of described heating blower A and cooling fan B alternation.The utility model replaces the pick-up unit that machinery is controlled in the prior art with the tester of whole circuit control, has improved the reliability of instrument, improved work efficiency, and each components and parts is cheap, realizes easily.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (10)
1. one kind from recovery heat protector tester; for detection of the mission life from the recovery heat protector; it is characterized in that; comprise power supply, controller, heating blower and cooling fan; described power supply is described controller, heating blower and cooling fan power supply; described heating blower and cooling fan are located at the both sides from the recovery heat protector respectively; described controller is controlled described heating blower and cooling fan alternation by described break-make from the recovery heat protector, and records the number of times of described heating blower and cooling fan alternation.
2. as claimed in claim 1 from recovery heat protector tester; it is characterized in that; described controller comprises start button, first relay, second relay, counter, solid-state relay and load; described start button and the two ends that are connected to described power supply after described first relay is connected; but described load cooling fan in parallel, described with second relay is in parallel with the recovery heat protector; the two ends of described power supply are inserted in the two series connection back; the input termination power of described solid-state relay, output termination heating blower.
3. as claimed in claim 2 from recovery heat protector tester; it is characterized in that; described first relay comprises first contact, second contact, the 3rd contact and the 4th contact; but described first contact and second contact are series at respectively in the loop of power supply, load and recovery heat protector composition; described the 3rd contact is connected between the input end of described power supply and described solid-state relay, and described the 4th contact is parallel to described start button two ends.
4. as claimed in claim 2 from recovery heat protector tester; it is characterized in that; described second relay comprises the 5th contact and the 6th contact; described the 5th contact is connected between the dc power supply terminal of the control end of described solid-state relay and described counter, and described the 6th contact is connected between two counting ends of described counter.
5. as claimed in claim 2ly it is characterized in that from recovery heat protector tester described controller also comprises a timing relay, described timing relay is in parallel with described load.
6. as claimed in claim 5ly it is characterized in that from recovery heat protector tester described timing relay comprises the 7th contact, described the 7th contact is series in the branch road that described start button and described first relay form.
7. as claimed in claim 2ly it is characterized in that from recovery heat protector tester that described controller comprises that also one exchanges current detector, described interchange current detector is series in the branch road of described load and described cooling fan composition.
8. as claimed in claim 2ly it is characterized in that from recovery heat protector tester that described load is by in the first connection terminal place in circuit.
9. as claimed in claim 2ly it is characterized in that from recovery heat protector tester, but described recovery heat protector is by in the second connection terminal place in circuit.
10. as claimed in claim 1ly it is characterized in that from recovery heat protector tester, be provided with power switch between the two poles of the earth of described power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684890 CN203069695U (en) | 2012-12-12 | 2012-12-12 | Self-recovery thermal protector tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684890 CN203069695U (en) | 2012-12-12 | 2012-12-12 | Self-recovery thermal protector tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069695U true CN203069695U (en) | 2013-07-17 |
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ID=48768467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220684890 Expired - Fee Related CN203069695U (en) | 2012-12-12 | 2012-12-12 | Self-recovery thermal protector tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104750088A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Temperature limiter contact life testing arrangement |
| CN105116341A (en) * | 2015-08-17 | 2015-12-02 | 安徽江淮松芝空调有限公司 | Electric car battery pack testing system |
| CN108345293A (en) * | 2018-03-20 | 2018-07-31 | 广汽零部件有限公司 | A kind of heat protection function endurance test control system of seat motor |
-
2012
- 2012-12-12 CN CN 201220684890 patent/CN203069695U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104750088A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Temperature limiter contact life testing arrangement |
| CN105116341A (en) * | 2015-08-17 | 2015-12-02 | 安徽江淮松芝空调有限公司 | Electric car battery pack testing system |
| CN108345293A (en) * | 2018-03-20 | 2018-07-31 | 广汽零部件有限公司 | A kind of heat protection function endurance test control system of seat motor |
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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: 20130717 Termination date: 20191212 |