CN219368975U

CN219368975U - Charging pile NTC temperature sensor

Info

Publication number: CN219368975U
Application number: CN202320450588.5U
Authority: CN
Inventors: 周惠明; 蔡凤仙
Original assignee: CHANGZHOU HUICHANG SENSOR CO LTD
Current assignee: CHANGZHOU HUICHANG SENSOR CO LTD
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-18
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a charging pile NTC temperature sensor, which comprises a first copper sleeve, a signal wire, a charging wire and an NTC thermistor, wherein the signal wire and the charging wire are connected to the first copper sleeve, the NTC thermistor is arranged on the signal wire, the NTC temperature sensor further comprises an injection molding shell, the injection molding shell is coated at the connection position of the first copper sleeve and the signal wire and the charging wire, the NTC thermistor is coated inside, and the signal wire, the charging wire and the first copper sleeve are detachably connected. The utility model is suitable for the sensor, the temperature of the charging pile is detected by arranging the NTC temperature sensor in the charging pile, the temperature of the charging pile is monitored by utilizing the characteristics of the temperature sensor such as the NTC thermistor, the monitoring precision is higher, the stability is higher, the sensor can be higher in safety when in use by arranging the injection molding shell, and the signal wire, the charging wire and the first copper sleeve are detachably connected, so that the sensor is convenient and quick to replace when damaged.

Description

Charging pile NTC temperature sensor

Technical Field

The utility model relates to the technical field, in particular to a charging pile NTC temperature sensor.

Background

The automobile charging pile is a matched facility for specially charging the electric automobile, is similar to an oiling machine of a gas station, is hot in summer, is in a high-temperature state with the electric automobile, and is extremely easy to generate overheat combustion accidents.

At present, to fill electric pile self and operating temperature control, utilize NTC temperature sensor to go on, traditional fill electric pile NTC temperature sensor, need many signal lines, relatively speaking, not only response time is slow, installs and dismantles inconvenient moreover.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a charging pile NTC temperature sensor.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model discloses a charging pile NTC temperature sensor, which comprises a first copper sleeve, a signal wire, a charging wire and an NTC thermistor, wherein the signal wire and the charging wire are connected to the first copper sleeve, the NTC thermistor is arranged on the signal wire, the injection molding shell is coated at the connection position of the first copper sleeve and the signal wire and the charging wire, the NTC thermistor is coated inside (the NTC thermistor is arranged at the riveting position of the charging wire, when a large current passes through the charging wire and generates a large amount of heat, the NTC thermistor timely detects abnormality and feeds back to a system), and the signal wire, the charging wire and the first copper sleeve are connected in a detachable mode.

Preferably, the first copper bush adopts a thread structure, a thread assembly hole is formed in one end of the injection molding shell, the first copper bush is screwed and spliced in the thread assembly hole, and the first copper bush is directly screwed and spliced in the thread assembly hole when being sheathed.

Preferably, one end of the first copper sleeve inserted into the threaded assembly hole is provided with two holes for inserting signal wires and charging wires respectively.

Preferably, the inner wall of the threaded assembly hole is nested with a sealing collar.

Preferably, the sealing collar has elasticity, and the cross section of the sealing collar is semicircular.

Preferably, the other end of the injection molding shell is provided with a first jack and a second jack, the signal wire and the charging wire respectively penetrate through the first jack and the second jack, insulating sealing rubber sleeves are embedded in the two ends of the first jack and the second jack, the inside of the injection molding shell can be sealed through the sealing effect of the sealing sleeve ring and the insulating sealing rubber sleeves, the protection effect of the injection molding shell is guaranteed, and the service life of the sensor is prolonged.

Preferably, the signal wire and one end of the charging wire are respectively provided with a second copper sleeve and a third copper sleeve, and the connection positions of the second copper sleeve, the signal wire, the third copper sleeve, the charging wire and the signal wire and the NTC thermistor are respectively sleeved with a first heat shrink tube, a second heat shrink tube and a third heat shrink tube, so that the connection between the signal wire and the charging wire and the second copper sleeve, the connection between the third copper sleeve and the NTC thermistor are more stable.

Compared with the prior art, the utility model has the following beneficial effects:

the temperature of the charging pile is detected by arranging the NTC temperature sensor in the charging pile, and the temperature of the charging pile is monitored by utilizing the characteristics of the temperature sensor such as the NTC thermistor;

the inner wall of the threaded assembly hole in the sensor is nested with the sealing lantern ring, the insulating sealing rubber sleeves are embedded in the two ends of the first jack and the second jack, and the sealing inside the injection molding shell can be realized through the sealing effect of the sealing lantern ring and the insulating sealing rubber sleeves, so that the protection effect of the injection molding shell is ensured, and the service life of the sensor is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the injection molded housing structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of an injection molded housing according to the present utility model.

Reference numerals: 1. an NTC thermistor; 2. a first copper sleeve; 3. injection molding the housing; 301. a threaded fitting hole; 302. an insulating sealing rubber sleeve; 303. a first jack; 304. a second jack; 305. a sealing collar; 4. a signal line; 5. a charging wire; 6. a first heat shrinkage tube; 7. a second heat shrinkage tube; 8. a third heat shrinkage tube; 9. a second copper sleeve; 10. and a third copper sleeve.

Detailed Description

An embodiment of the charging post NTC temperature sensor according to the present utility model is further described below with reference to fig. 1-3. The charging post NTC temperature sensor of the present utility model is not limited to the description of the following embodiments.

Example 1:

this embodiment gives and fills electric pile NTC temperature sensor, as shown in fig. 1-3, including first copper sheathing 2, connect signal line 4 and charging wire 5 on first copper sheathing 2 and install NTC thermistor 1 on signal line 4, still include the shell 3 of moulding plastics, the cladding of the shell 3 of moulding plastics is in the position that first copper sheathing 2 is connected with signal line 4 and charging wire 5 to with NTC thermistor 1 cladding is inside, all adopts the detachable connection between signal line 4, charging wire 5 and the first copper sheathing 2.

By adopting the technical scheme:

through setting up NTC temperature sensor in filling electric pile and detecting filling electric pile temperature, utilize NTC thermistor isothermal sensor's characteristic, monitor filling electric pile's temperature, monitoring accuracy is higher, stability is also higher, this sensor can make its security higher when using through the shell 3 of moulding plastics that sets up to all adopt the detachable connection between signal line 4, charging wire 5 and the first copper sheathing 2, consequently change convenient and fast when its damage.

Example 2

On the basis of embodiment 1, in this embodiment, the first copper bush 2 adopts a thread structure, one end of the injection molding housing 3 is provided with a thread assembly hole 301, the first copper bush 2 is screwed and inserted into the thread assembly hole 301, and when the first copper bush 2 is assembled, the first copper bush 2 is directly screwed and inserted into the thread assembly hole 301, so that the operation is convenient and fast.

One end of the first copper sleeve 2 inserted into the threaded assembly hole 301 is provided with two holes for inserting the signal wire 4 and the charging wire 5 respectively.

The inner wall of the threaded fitting bore 301 is nested with a sealing collar 305.

The seal collar 305 has elasticity, and the cross section of the seal collar 305 is semicircular.

The other end of the injection molding shell 3 is provided with a first jack 303 and a second jack 304, the signal wire 4 and the charging wire 5 respectively penetrate through the first jack 303 and the second jack 304, and insulating sealing rubber sleeves 302 are embedded in the two ends of the first jack 303 and the second jack 304.

The second copper bush 9 and the third copper bush 10 are installed respectively to the one end of signal line 4 and charging wire 5, and first pyrocondensation pipe 6, second pyrocondensation pipe 7 and third pyrocondensation pipe 8 are installed in the hookup location of second copper bush 9 and signal line 4, third copper bush 10 and charging wire 5 and signal line 4 and NTC thermistor 1 respectively for the signal line 4 and charging wire 5 are more stable with the connection of second copper bush 9, third copper bush 10 and NTC thermistor 1.

By adopting the technical scheme:

the sealing inside the injection molding shell 3 can be realized through the sealing action of the sealing lantern ring 305 and the insulating sealing gum cover 302, so that the protection effect of the injection molding shell 3 is ensured, and the service life of the sensor is prolonged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Fill electric stake NTC temperature sensor, including first copper sheathing (2), connect signal line (4) and charging wire (5) on first copper sheathing (2) and install NTC thermistor (1) on signal line (4), its characterized in that: still include shell (3) of moulding plastics, shell (3) cladding of moulding plastics be in first copper sheathing (2) with the position that signal line (4) and charging wire (5) are connected, and will NTC thermistor (1) cladding is inside, all adopt detachable connection between signal line (4), charging wire (5) and first copper sheathing (2).

2. The charging post NTC temperature sensor according to claim 1, characterized in that: the first copper bush (2) adopts a threaded structure, a threaded assembly hole (301) is formed in one end of the injection molding shell (3), and the first copper bush (2) is screwed and inserted into the threaded assembly hole (301).

3. The charging post NTC temperature sensor according to claim 2, characterized in that: one end of the first copper sleeve (2) inserted into the threaded assembly hole (301) is provided with two holes which are respectively used for inserting a signal wire (4) and a charging wire (5).

4. A charging post NTC temperature sensor according to claim 3, characterized in that: the inner wall of the threaded assembly hole (301) is nested with a sealing collar (305).

5. The charging post NTC temperature sensor according to claim 4, characterized in that: the sealing collar (305) has elasticity, and the cross section of the sealing collar (305) is semicircular.

6. The charging post NTC temperature sensor according to claim 2, characterized in that: the novel electric power cable is characterized in that a first jack (303) and a second jack (304) are formed in the other end of the injection molding shell (3), the signal wire (4) and the charging wire (5) penetrate through the first jack (303) and the second jack (304) respectively, and insulating sealing rubber sleeves (302) are embedded in the two ends of the first jack (303) and the two ends of the second jack (304).

7. The charging post NTC temperature sensor according to claim 1, characterized in that: the utility model discloses a battery charger, including signal line (4) and charging wire (5), second copper sheathing (9) and third copper sheathing (10) are installed respectively to one end of signal line (4) with second copper sheathing (9) with signal line (4) third copper sheathing (10) with charging wire (5) and the hookup location of signal line (4) and NTC thermistor (1) cup joints respectively and installs first pyrocondensation pipe (6), second pyrocondensation pipe (7) and third pyrocondensation pipe (8).