CN212111616U - Portable alternating-current charging stake detection device - Google Patents
Portable alternating-current charging stake detection device Download PDFInfo
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- CN212111616U CN212111616U CN201922435678.3U CN201922435678U CN212111616U CN 212111616 U CN212111616 U CN 212111616U CN 201922435678 U CN201922435678 U CN 201922435678U CN 212111616 U CN212111616 U CN 212111616U
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Abstract
The utility model provides a portable alternating current charging pile detection device, which comprises a power supply junction box, a power supply box and a heating box; a power supply junction box is arranged above the power supply box, a plurality of heating boxes are arranged below the power supply box, a plurality of power supply modules are further arranged inside the power supply box, the input end of each power supply module is connected with the power supply junction box, the output end of each power supply module is connected with the corresponding heating box, a PTC heater, a cooling fan and a heat dissipation assembly are arranged inside the heating boxes, and the PTC heater and the cooling fan are respectively connected with the corresponding power supply modules; the power module comprises a power input end, a circuit protection circuit, a first relay and a second relay, the cooling fan is connected with the power input end through a normally open contact of the first relay, the PTC heater is connected with the power input end through a normally open contact of the second relay, and the circuit protection circuit is connected with the power input end.
Description
Technical Field
The utility model relates to a fill electric pile and detect technical field, in particular to lightweight alternating-current charging stake detection device.
Background
At present, the original detection mode for charging piles is a mode of heating water by electric heating. Whether continuous stable release electric energy when detecting to fill electric pile through lasting power consumptive heating water boiling lasts work. Has the following disadvantages: 1) human body injury is easy to occur after the water is heated; 2) the power is small, the time is long, and the required detection time is long. 3) Large volume, heavy weight, being unable to be disassembled and inconvenient to carry. 4) The internal heat dissipation effect is not good, and the components are easy to damage.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, the utility model aims to provide a portable alternating-current charging stake detection device, required check-out time is short, and inside radiating effect is good, and is small, convenient to detach, easily carry.
In order to achieve the purpose, the utility model provides a portable alternating current charging pile detection device, which comprises a power supply junction box, a power supply box and a heating box; a power supply junction box is arranged above the power supply box, a plurality of heating boxes are arranged below the power supply box, a plurality of power supply modules are further arranged inside the power supply box, the input end of each power supply module is connected with the power supply junction box, the output end of each power supply module is connected with the corresponding heating box, a PTC heater, a cooling fan and a heat dissipation assembly are arranged inside the heating boxes, the cooling fan and the heat dissipation assembly are assembled together, the PTC heater is arranged at the rear part of the heating boxes, and the PTC heater and the cooling fan are respectively connected with the corresponding power supply modules; the power module comprises a power input end, a circuit protection circuit, a first relay and a second relay, the cooling fan is connected with the power input end through a normally open contact of the first relay, the PTC heater is connected with the power input end through a normally open contact of the second relay, and the circuit protection circuit is connected with the power input end.
In any of the above schemes, preferably, the circuit protection circuit includes a fuse, a stop switch, a start switch, a triac, a thermistor, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, and a third relay, the fuse is connected in series with the stop switch, the start switch, and the triac in sequence, a normally open contact of the third relay is connected in parallel with the start switch, a T1 pole of the triac is connected to one end of the first resistor and one end of the second resistor, another end of the first resistor is connected to one end of the second capacitor, another end of the second capacitor is connected to another end of the second resistor, one end of the first capacitor and one end of the thermistor, another end of the first capacitor is connected to one end of the third resistor, and another end of the third resistor is connected to an electromagnetic coil of the third relay and an electromagnetic coil of the second relay in sequence, The electromagnetic coil of the first relay is connected with the T2 pole of the bidirectional thyristor in series, and the G base of the bidirectional thyristor is connected with the other end of the thermistor.
In any one of the above embodiments, preferably, the fuse is connected to a positive electrode of the power input terminal, and the other end of the third resistor is connected to a negative electrode of the power input terminal.
In any of the above schemes, preferably, the heat dissipation assembly is cylindrical, and the inside of the cylinder is hollow, and a plurality of heat dissipation fins are distributed outside the cylinder.
In any of the above schemes, preferably, the air outlet of the cooling fan is arranged in the hollow part of the cylinder.
In any of the above solutions, preferably, a part of the front surface of the heating box and a part of the side surface adjacent to the front surface of the heating box are hollow, and a protective cover is arranged in the hollow.
In any of the above embodiments, it is preferable that the number of the heating boxes is 2, and the heating boxes are independent of each other.
In any of the above schemes, preferably, the number of the power modules is 2, and the power modules are independent of each other.
In any of the above aspects, preferably, the PTC heater is an air duct type PTC heater.
In any of the above aspects, preferably, the power supply box and the heating box are connected in a pluggable manner.
The utility model discloses a lightweight alternating-current charging stake detection device has following beneficial effect:
1. compared with the prior detection of the charging pile by heating water through electric heating, the utility model adopts the PTC heater, has large power, short time consumption, quick detection and higher safety performance; the utility model discloses a vertical design, and each part quantity is less, is favorable to reducing volume, convenient to carry.
2. The utility model discloses a PTC heater and cooling blower complex mode accomplish the detection that charges. Whether last stable release electric energy when filling electric pile is detected through lasting power consumptive, continuous work, its rate of heating is fast, easily detects, and small, convenient to carry.
3. The utility model discloses for the convenience of heat dissipation, radiator unit is cylindricly, and the inside cavity of cylinder, a plurality of fin of cylinder outside distribution. The air outlet of the cooling fan is arranged in the hollow part of the cylinder.
4. The utility model discloses a duplicate protection mode, first heavy protection are for adopting cooling blower and radiator unit, come to dispel the heat to the device is inside, and the design of second heavy protection for adopting circuit protection circuit is when the inside high temperature of device, is passing through circuit protection circuit disconnection PTC heater, cooling blower's power supply to the inside components and parts of protection device.
5. The utility model discloses a strengthen the heat dissipation, the partly positive rather than adjacent partly side cavity of heating cabinet, for dustproof, then should well kenozooecium be equipped with the protection casing.
6. The utility model has the advantages that in order to avoid the damage of one heating box to influence the overall work of the device, the number of the heating boxes is 2 and the heating boxes are mutually independent; the number of the power supply modules is 2, and the power supply modules are independent of each other.
7. In order to facilitate disassembly and easy carrying, the power supply box and the heating box are connected in a pluggable mode. Due to the design, when the heating box is damaged, the heating box can be replaced conveniently.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a structural diagram of the portable ac charging pile detection device of the present invention;
fig. 2 is a front view of the portable ac charging pile detection device of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a rear view of FIG. 2;
fig. 6 is a schematic view of the installation of the cooling fan and the heat dissipation assembly of the present invention;
fig. 7 is a schematic view of a cooling fan of the present invention;
fig. 8 is a schematic diagram of a power module of the present invention;
in the figure: 1. a heating box; 2. a heat dissipating component; 3. a cooling fan; 4. a power supply junction box; 5. a power supply box; 6. a PTC heater; 7. a protective cover;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The utility model provides a portable AC charging pile detection device, as shown in figures 1-7, comprising a power supply junction box 4, a power supply box 5 and a heating box 1; the power supply box is characterized in that a power supply junction box 4 is arranged above the power supply box 5, a plurality of heating boxes 1 are arranged below the power supply box 5, a plurality of power supply modules are further arranged inside the power supply box 5, the input end of each power supply module is connected with the power supply junction box 4, the output end of each power supply module is connected with the corresponding heating box 1, a PTC heater 6, a cooling fan 3 and a heat dissipation assembly 2 are arranged inside each heating box 1, the cooling fan 3 and the heat dissipation assembly 2 are assembled and installed together, the PTC heater 6 is arranged at the rear portion of each heating box 1, and the PTC heater 6 and the cooling fan 3 are respectively connected with the.
The working principle is as follows: after the power box 5 is inserted into the jack of the alternating-current charging pile through a plug in the power junction box 4, alternating current of the alternating-current charging pile is independently output to each power module in the power box 5 and then output to the corresponding heating box 1 through the power module to supply power to the PTC heater 6 and the cooling fan 3 in the heating box 1, the PTC heater 6 starts to heat after being electrified to generate heat, a detector can judge whether the alternating-current charging pile continuously supplies power by sensing the heat of the PTC heater 6, and when the alternating-current charging pile does not supply power, the PTC heater 6 does not heat; after the cooling fan 3 is electrified, the heat dissipation component 2 dissipates heat to avoid the over-high temperature of the components in the power box 5 and the heating box 1 when the PTC heater 6 is heated.
The PTC heater takes the PTC element as a heating source, and has the characteristics of high voltage resistance, small residual current, low power consumption, complete flame retardance, quick response time, quick heating, long service life and the like. Compared with the prior detection of the charging pile by heating water through electric heating, the utility model adopts the PTC heater, has large power, short time consumption, quick detection and higher safety performance; the utility model discloses a vertical design, and each part quantity is less, is favorable to reducing volume, convenient to carry.
As shown in fig. 8, the power module includes power input terminals L1-L3, a circuit protection circuit, a first relay KM1 and a second relay KM2, the cooling fan M is connected with the power input terminals L1-L3 through a normally open contact of the first relay KM1, the PTC heater PTC is connected with the power input terminals L1-L3 through a normally open contact of the second relay KM2, and the circuit protection circuit is connected with the power input terminals.
The circuit protection circuit comprises a fuse FU1, a stop switch SB1, a start switch SB2, a bidirectional thyristor KS1, a thermistor RT, a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1, a second capacitor C2 and a third relay KM3, wherein the fuse FU 3 is sequentially connected with the stop switch SB 3, the start switch SB 3 and the bidirectional thyristor KS 3 in series, a normally-open contact of the third relay KM3 is connected with the start switch SB 3 in parallel, the pole T3 of the bidirectional thyristor KS 3 is connected with one end of the first resistor R3 and one end of the second resistor R3, the other end of the first resistor R3 is connected with one end of the second capacitor C3, the other end of the second capacitor C3 is connected with the other end of the second resistor E3, one end of the first capacitor C3, one end of the thermistor RT, one end of the other end of the third resistor R3 of the first capacitor C3, the other end of the electromagnetic coil 3 and the second relay KM of the electromagnetic coil 3, The electromagnetic coil of the first relay KM1 and the T2 pole of the bidirectional thyristor KS1 are connected in series, and the G base of the bidirectional thyristor KS1 is connected with the other end of the thermistor RT. Fuse FU1 is connected with the positive pole of power input end, and the other end of third resistance is connected with the negative pole of power input end.
When the circuit works, when the starting switch SB2 is pressed, the circuit is protected to be communicated, the power supply voltage at the power supply input end sequentially passes through the fuse FU1, the stopping switch SB1, the starting switch SB2 and enters the bidirectional thyristor KS1, the power supply voltage enters the G pole of the bidirectional thyristor KS1 after passing through the second resistor R2 and the thermistor RT, the bidirectional thyristor KS1 is triggered and conducted, and then the power supply voltage flows out from the T2 pole of the bidirectional thyristor KS1 and supplies power to the electromagnetic coil of the first relay KM1, the electromagnetic coil of the second relay KM2 and the electromagnetic coil of the third relay KM 3; when the internal temperature of the power box is too high, the resistance value of the thermistor RT sharply increases, so that the current of the control electrode of the bidirectional thyristor KS1 is smaller than the maintaining current and is turned off, the electromagnetic coil of the first relay KM1, the electromagnetic coil of the second relay KM2 and the electromagnetic coil of the third relay KM3 are powered off, the normally open contact of the first relay KM1, the normally open contact of the second relay KM2 and the normally open contact of the third relay KM3 are disconnected, and the PTC heater 6 and the cooling fan 3 stop working to protect components in the device.
The utility model discloses a duplicate protection mode, first heavy protection are for adopting cooling blower 3 and radiator unit 2, come to dispel the heat to the device is inside, and the design of second heavy protection for adopting circuit protection circuit is when the inside high temperature of device, is passing through the power supply of circuit protection circuit disconnection PTC heater 6, cooling blower 3 to the inside components and parts of protection device.
In another embodiment of the present invention, in order to facilitate heat dissipation, the heat dissipation assembly 2 is cylindrical, and the inside of the cylinder is hollow, and a plurality of heat dissipation fins are distributed outside the cylinder. And an air outlet of the cooling fan 3 is arranged in the hollow part of the cylinder.
In another embodiment of the present invention, in order to enhance the heat dissipation, a part of the heating box 1 is hollow in the front and a part of the side adjacent to the heating box, and in order to prevent dust, the hollow part is provided with a protective cover 7.
In another embodiment of the present invention, in order to avoid the damage of one heating box to affect the overall operation of the device, the number of the heating boxes 1 is 2, and they are independent of each other. The number of the power supply modules is 2, and the power supply modules are independent of each other.
In another embodiment of the present invention, the PTC heater 6 is an air duct type PTC heater.
In another embodiment of the present invention, in order to facilitate the detachment and the carrying, the power box 5 and the heating box 1 are connected by plugging. Due to the design, when the heating box is damaged, the heating box can be replaced conveniently.
The utility model discloses a PTC heater and cooling blower complex mode accomplish the detection that charges, whether last stable release electric energy when detecting charging pile through lasting power consumptive, continuous work, its rate of heating is fast, and the radiating effect is good, and is small, convenient to carry.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A portable alternating current charging pile detection device is characterized by comprising a power supply junction box, a power supply box and a heating box; a power supply junction box is arranged above the power supply box, a plurality of heating boxes are arranged below the power supply box, a plurality of power supply modules are further arranged inside the power supply box, the input end of each power supply module is connected with the power supply junction box, the output end of each power supply module is connected with the corresponding heating box, a PTC heater, a cooling fan and a heat dissipation assembly are arranged inside the heating boxes, the cooling fan and the heat dissipation assembly are assembled together, the PTC heater is arranged at the rear part of the heating boxes, and the PTC heater and the cooling fan are respectively connected with the corresponding power supply modules; the power module comprises a power input end, a circuit protection circuit, a first relay and a second relay, the cooling fan is connected with the power input end through a normally open contact of the first relay, the PTC heater is connected with the power input end through a normally open contact of the second relay, and the circuit protection circuit is connected with the power input end.
2. The portable ac charging pile detection device according to claim 1, wherein the circuit protection circuit comprises a fuse, a stop switch, a start switch, a triac, a thermistor, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, and a third relay, the fuse is connected in series with the stop switch, the start switch, and the triac in turn, a normally open contact of the third relay is connected in parallel with the start switch, a T1 pole of the triac is connected with one end of the first resistor and one end of the second resistor, the other end of the first resistor is connected with one end of the second capacitor, the other end of the second capacitor is connected with the other end of the second resistor, one end of the first capacitor, and one end of the thermistor, the other end of the first capacitor is connected with one end of the third resistor, and the other end of the third resistor is connected with an electromagnetic coil of the third relay in turn, And the electromagnetic coil of the second relay, the electromagnetic coil of the first relay and the T2 pole of the bidirectional thyristor are connected in series, and the G base of the bidirectional thyristor is connected with the other end of the thermistor.
3. The portable ac charging post detection device according to claim 2, wherein the fuse is connected to a positive electrode of the power input terminal, and the other end of the third resistor is connected to a negative electrode of the power input terminal.
4. The portable ac charging post detection device of claim 1, wherein the heat dissipation assembly is cylindrical, and the cylinder is hollow, and a plurality of heat dissipation fins are distributed on the outside of the cylinder.
5. The portable AC charging pile detection device according to claim 1, wherein the air outlet of the cooling fan is arranged in the hollow part of the cylinder.
6. The portable AC charging post detection device according to claim 1, wherein a part of the front surface of the heating box and a part of the side surface adjacent to the heating box are hollow, and a protective cover is arranged in the hollow.
7. The portable AC charging post tester as recited in claim 1, wherein the number of said heating boxes is 2, and they are independent of each other.
8. The portable ac charging post detection device of claim 1, wherein the number of the power modules is 2, and the power modules are independent of each other.
9. The portable AC charging post detection device according to claim 1, wherein the PTC heater is an air duct type PTC heater.
10. The portable AC charging post detection device of claim 1, wherein the power box and the heating box are connected in a pluggable manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435678.3U CN212111616U (en) | 2019-12-30 | 2019-12-30 | Portable alternating-current charging stake detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435678.3U CN212111616U (en) | 2019-12-30 | 2019-12-30 | Portable alternating-current charging stake detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212111616U true CN212111616U (en) | 2020-12-08 |
Family
ID=73625333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435678.3U Expired - Fee Related CN212111616U (en) | 2019-12-30 | 2019-12-30 | Portable alternating-current charging stake detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212111616U (en) |
-
2019
- 2019-12-30 CN CN201922435678.3U patent/CN212111616U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20201208 Termination date: 20211230 |