CN104101821A - Withstanding voltage test device of positive temperature coefficient (PTC) element - Google Patents
Withstanding voltage test device of positive temperature coefficient (PTC) element Download PDFInfo
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- CN104101821A CN104101821A CN201410361339.4A CN201410361339A CN104101821A CN 104101821 A CN104101821 A CN 104101821A CN 201410361339 A CN201410361339 A CN 201410361339A CN 104101821 A CN104101821 A CN 104101821A
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Abstract
The invention mainly discloses a withstanding voltage test device of a positive temperature coefficient (PTC) element. According to the technical scheme, the withstanding voltage test device comprises a support, an upper aluminum plate, a lower aluminum plate, a lifting board, an air cylinder, a hand-operated valve, a voltage adjusting valve and a numerical value displayer, wherein the bottom of the support is fixedly connected with the lower aluminum plate, the top of the support is fixedly connected with the upper aluminum plate, the lifting board is disposed between the upper aluminum plate and the lower aluminum plate, a first probe is mounted on the lower aluminum plate, a second probe is disposed on the lifting board, a mounting plate is disposed on the support, the mounting plate is arranged between the first probe and the second probe, the air cylinder is fixedly connected with the upper aluminum plate, a piston rod of the air cylinder penetrates the upper aluminum plate to be connected with the lifting board, the second probe on the lifting board is driven by the piston rod to be connected with the upper surface of the PTC element, and the lower surface of the PTC element is connected with the first probe. By means of the withstanding voltage test device of the PTC element, the operation is simple, the machining speed is high, the efficiency is high, and the withstanding voltage test device is safe, easy and convenient.
Description
Technical field
The present invention relates to pressure resistant testing device, particularly a kind of PTC component pressure proving installation.
Background technology
PTC element is the key element of manufacturing PTC electrical heated appliance, there is good quick startup, temp autocontrolled, stable heating and intrinsic safety characteristic, thereby at family expenses air conditioner auxiliary heater, washing machine drying heater, well heater for dry materials, for food processing, the aspect such as well heater, electric heater obtains and all arrives widespread use.In addition, PTC ceramic component is also the key element of manufacturing the electric power controls such as restrictor, overcurrent protector, overload protective device, degaussing controller, startup controller and protective device.So can steady operation under certain voltage condition, be obviously the basic demand to PTC element.And along with the development of correlation technique, require PTC element can tolerate higher rated voltage, even can tolerate the surge voltage that is derived from power supply, load and on-off element.So all can be strict before dispatching from the factory PTC element is carried out to voltage-withstand test, its operation steps is generally: on the PTC element both sides of making, add the constant voltage of different sizes and continue the some time, magnitude of voltage and test duration are set by artificial, then observing element has or not breakage, burns out, if element outward appearance is unchanged before and after test, can decision element belong to certified products through test, otherwise be substandard products.In prior art, above-mentioned steps is all generally by manually testing one by one, not only speed slow, increased labour, but also can there is risk.
Summary of the invention
The deficiency existing for prior art, the invention provides the PTC component pressure proving installation that a kind of process velocity is fast, efficiency is high, safe, easy and convenient.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of PTC component pressure proving installation, the described bracing frame that comprises, upper aluminium sheet, lower aluminum sheet, lifter plate, cylinder, hand valve, pressure regulator valve, numerical value display, support frame as described above bottom is fixedly connected with lower aluminum sheet, support frame as described above top is fixedly connected with aluminium sheet, described lifter plate is arranged between aluminium sheet and lower aluminum sheet, described lower aluminum sheet is provided with the first probe, described lifter plate is provided with second probe corresponding with the first probe, on support frame as described above, be also provided with the installing plate that holds PTC element, described installing plate is arranged between the first probe and the second probe, described cylinder is fixedly connected on aluminium sheet, and the piston rod on described cylinder is arranged in aluminium sheet and forms and be connected with lifter plate, described piston rod drives the second probe on lifter plate to be connected with PTC element upper surface, PTC element lower surface is connected with the first probe, described hand valve, pressure regulator valve is all connected with cylinder, described numerical value display is connected with pressure regulator valve.
The present invention is further set to: between the PTC element on described the first probe and installing plate, be provided with gap.When can prevent like this that the second probe from moving down with PTC element once contacting energising, can cause spread of voltage, directly puncture PTC element.
The present invention is further set to: support frame as described above comprises four montants, and be symmetrical arranged between two respectively, on described four montants, be respectively provided with top shoe, sliding block, described top shoe sidewall is fixedly connected with the left and right sidewall of lifter plate respectively, on the sidewall of described lifter plate rear and front end, to downward-extension one baffle plate, described baffle plate coordinates with lower aluminum sheet is movable.Simple in structure, light, the convenience of sliding, prevent that PTC element is when applied voltage test, and spark surprisingly sprays, and works the mischief.
The present invention is further set to: described sliding block sidewall is provided with the erecting frame of one group of symmetry, and described erecting frame is provided with chute, and described installing plate and chute are pegged graft.It is convenient to change.
The present invention is further set to: the bottom of described four montants is provided with Compress Spring, and described sliding block lower end is connected with Compress Spring.Can play buffer action.
The present invention is further set to: described installing plate is provided with pulling eye.Dismounting more easily.
The present invention has beneficial effect:
By cylinder, control lifter plate and slide, thereby just can make two probes and the first probe carry out applied voltage test to PTC element, this pressure resistant testing device structure not only simple to operate, process velocity is fast, efficiency is high, and safe, easy and convenient.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram before preferred embodiment work of the present invention;
Fig. 2 is the local Fang great Tu of A in Fig. 1 of the present invention;
Fig. 3 is the one-piece construction schematic diagram after preferred embodiment work of the present invention.
Reference numeral: 1, bracing frame; 11, montant; 111, top shoe; 112, sliding block; 1121, erecting frame; 11211, chute; 113, Compress Spring; 2, upper aluminium sheet; 3, lower aluminum sheet; 31, the first probe; 4, lifter plate; 41, the second probe; 42, baffle plate; 5, cylinder; 51, piston rod; 6, hand valve; 7, pressure regulator valve; 8, numerical value display; 9, installing plate; 91, pulling eye; 10, PTC element.
Embodiment
By reference to the accompanying drawings, preferred embodiment of the present invention is described in further details.
According to a kind of PTC component pressure proving installation described in Fig. 1-3, described bracing frame 1, upper aluminium sheet 2, lower aluminum sheet 3, lifter plate 4, cylinder 5, hand valve 6, pressure regulator valve 7, the numerical value display 8 of comprising, support frame as described above 1 comprises four montants 11, and be symmetrical arranged between two respectively, described four montant 11 bottoms are fixedly connected with lower aluminum sheet 3, four montant 11 tops are fixedly connected with aluminium sheet 2, and lifter plate 4 is arranged between aluminium sheet 2 and lower aluminum sheet 3.On described four montants 11, be respectively provided with top shoe 111, sliding block 112, described top shoe 111 is fixedly connected with the left and right sidewall of lifter plate 4, on described sliding block 112 sidewalls, be fixedly connected with one group of erecting frame 1121, described erecting frame 1121 is provided with chute 11211, described installing plate 9 can be plugged in chute 11211 by pulling eye 91, changes so convenient.And the bottom of described four montants 11 is provided with Compress Spring 113, described sliding block 112 lower ends connect support springs, when sliding block 112 presses down, can play buffer action.Described lower aluminum sheet 3 is provided with the first probe 31, between the PTC element 10 on described the first probe 31 and installing plate 9, is provided with gap.When can prevent like this that the second probe 41 from moving down with PTC element 10 once contacting energising, can cause spread of voltage, directly puncture PTC element 10.Described lifter plate 4 is provided with second probe 41 corresponding with the first probe 31, described cylinder 5 is fixedly connected on aluminium sheet 2, then the piston rod 51 on cylinder 5 can drive the second probe 41 on lifter plate 4 to be connected with PTC element 10 upper surfaces, when continuing to press down, PTC element 10 lower surfaces also form and are connected with the first probe 31, described hand valve 6, pressure regulator valve 7 are all connected with cylinder 5, and described numerical value display 8 is connected with pressure regulator valve 7.The sidewall of described lifter plate 4 rear and front ends is provided with to downward-extension one baffle plate 42, and described baffle plate 42 coordinates with lower aluminum sheet 3 is movable.Prevent that PTC element 10 is when applied voltage test, spark surprisingly sprays, and works the mischief.
Embodiment of the present invention process: first PTC element 10 is placed on installing plate 9, then installing plate 9 is plugged on erecting frame 1121, then start cylinder 5 work, by hand valve 6, control, make the piston rod 51 on cylinder 5 drive lifter plate 4 toward pressing down, drive the second probe 41 to form and be connected with PTC element 10 upper surfaces, when lifter plate 4 continues past pressing down, installing plate 9 on erecting frame 1121 also can be followed decline, thereby make PTC element 10 also form and be connected with the first probe 31 on lower aluminum sheet 3, can be adjusted to specified air pressure with pressure regulator valve 7 with that, energising is carried out voltage-withstand test to PTC element 10, first in addition the operating voltage of 220V continues 15S, then increase successively voltage to 400V, 500V and 600V, check whether the relay being now communicated with the first probe 31 and the second probe 41 disconnects, if disconnect, illustrate that PTC element 10 is breakdown, not by test, for substandard products, if relay does not disconnect, continue to check that PTC element 10 has crack-free, surface has or not calcination vestige, if having, illustrates that PTC element 10 is burned, and, by test, is not substandard products, if relay does not disconnect, PTC element 10 crack-frees, surface is without calcination vestige, and PTC element 10 is by voltage-withstand test, and it is qualified to detect.Tested exhaust hood 5 and driven on lifter plates 4 and move, erecting frame 1121 also can be by moving on Compress Spring 113 thereupon, then take out installing plates 9 by pulling eye 91, changes next group PTC element 10 and test.Adopt this pressure resistant testing device not only simple to operate, process velocity is fast, efficiency is high, and safe, easy and convenient, PTC element by pressure resistant testing device test passes can bear the high pressure below 600V and not damage, and has improved the security performance after packing in electrical equipment.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (6)
1. a PTC component pressure proving installation, it is characterized in that: comprise bracing frame, upper aluminium sheet, lower aluminum sheet, lifter plate, cylinder, hand valve, pressure regulator valve, numerical value display, support frame as described above bottom is fixedly connected with lower aluminum sheet, support frame as described above top is fixedly connected with aluminium sheet, described lifter plate is arranged between aluminium sheet and lower aluminum sheet, described lower aluminum sheet is provided with the first probe, described lifter plate is provided with second probe corresponding with the first probe, on support frame as described above, be also provided with the installing plate that holds PTC element, described installing plate is arranged between the first probe and the second probe, described cylinder is fixedly connected on aluminium sheet, and the piston rod on described cylinder is arranged in aluminium sheet and forms and be connected with lifter plate, described piston rod drives the second probe on lifter plate to be connected with PTC element upper surface, PTC element lower surface is connected with the first probe, described hand valve, pressure regulator valve is all connected with cylinder, described numerical value display is connected with pressure regulator valve.
2. a kind of PTC component pressure proving installation according to claim 1, is characterized in that: between the PTC element on described the first probe and installing plate, be provided with gap.
3. a kind of PTC component pressure proving installation according to claim 1, it is characterized in that: support frame as described above comprises four montants, and be symmetrical arranged between two respectively, on described four montants, be respectively provided with top shoe, sliding block, described top shoe sidewall is fixedly connected with the left and right sidewall of lifter plate respectively, on the sidewall of described lifter plate rear and front end, to downward-extension one baffle plate, described baffle plate coordinates with lower aluminum sheet is movable.
4. a kind of PTC component pressure proving installation according to claim 3, is characterized in that: described sliding block sidewall is provided with the erecting frame of one group of symmetry, and described erecting frame is provided with chute, and described installing plate and chute are pegged graft.
5. a kind of PTC component pressure proving installation according to claim 3, is characterized in that: the bottom of described four montants is provided with Compress Spring, and described sliding block lower end is connected with Compress Spring.
6. according to a kind of PTC component pressure proving installation described in claim 1 or 3 or 5, it is characterized in that: described installing plate is provided with pulling eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361339.4A CN104101821A (en) | 2014-07-25 | 2014-07-25 | Withstanding voltage test device of positive temperature coefficient (PTC) element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361339.4A CN104101821A (en) | 2014-07-25 | 2014-07-25 | Withstanding voltage test device of positive temperature coefficient (PTC) element |
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| CN104101821A true CN104101821A (en) | 2014-10-15 |
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| CN201410361339.4A Pending CN104101821A (en) | 2014-07-25 | 2014-07-25 | Withstanding voltage test device of positive temperature coefficient (PTC) element |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391231A (en) * | 2014-11-13 | 2015-03-04 | 常熟市林芝电热器件有限公司 | Voltage-resisting testing device of PTC heater |
| CN104569765A (en) * | 2015-01-19 | 2015-04-29 | 常熟市林芝电热器件有限公司 | Integral device for PTC heater voltage resistance testing and heat sink strip bonding |
| CN107051918A (en) * | 2017-01-09 | 2017-08-18 | 肇庆市新励达电子机械有限公司 | A kind of Full-automatic heating piece electric current sorting resistance test line and detection method |
| CN108445377A (en) * | 2018-05-30 | 2018-08-24 | 苏州智华汽车电子有限公司 | Vehicle-mounted camera PCBA board Function detection jig |
| WO2019095258A1 (en) * | 2017-11-17 | 2019-05-23 | 太仓市何氏电路板有限公司 | Pressure resistance test platform for aluminum substrate |
| CN109828152A (en) * | 2019-01-28 | 2019-05-31 | 东莞市硅翔绝缘材料有限公司 | The automated test device of battery heating sheet |
| CN110133487A (en) * | 2019-01-22 | 2019-08-16 | 苏州工业职业技术学院 | A kind of open test device of thermal protector |
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| CN203965575U (en) * | 2014-07-25 | 2014-11-26 | 浙江哈亿曼电子科技有限公司 | A kind of PTC component pressure proving installation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391231A (en) * | 2014-11-13 | 2015-03-04 | 常熟市林芝电热器件有限公司 | Voltage-resisting testing device of PTC heater |
| CN104391231B (en) * | 2014-11-13 | 2017-03-08 | 常熟市林芝电热器件有限公司 | PTC heater voltage-resistant test device |
| CN104569765A (en) * | 2015-01-19 | 2015-04-29 | 常熟市林芝电热器件有限公司 | Integral device for PTC heater voltage resistance testing and heat sink strip bonding |
| CN104569765B (en) * | 2015-01-19 | 2017-03-08 | 常熟市林芝电热器件有限公司 | The test of PTC heater proof voltage and heat sink strip cementation integrated device |
| CN107051918A (en) * | 2017-01-09 | 2017-08-18 | 肇庆市新励达电子机械有限公司 | A kind of Full-automatic heating piece electric current sorting resistance test line and detection method |
| CN107051918B (en) * | 2017-01-09 | 2023-03-28 | 海宁永力电子陶瓷有限公司 | Full-automatic heating plate current sorting voltage-withstanding detection line and detection method |
| WO2019095258A1 (en) * | 2017-11-17 | 2019-05-23 | 太仓市何氏电路板有限公司 | Pressure resistance test platform for aluminum substrate |
| CN108445377A (en) * | 2018-05-30 | 2018-08-24 | 苏州智华汽车电子有限公司 | Vehicle-mounted camera PCBA board Function detection jig |
| CN110133487A (en) * | 2019-01-22 | 2019-08-16 | 苏州工业职业技术学院 | A kind of open test device of thermal protector |
| CN109828152A (en) * | 2019-01-28 | 2019-05-31 | 东莞市硅翔绝缘材料有限公司 | The automated test device of battery heating sheet |
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Application publication date: 20141015 |
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