CN210293487U

CN210293487U - Temperature sensor for electric vehicle charging plug and charging plug

Info

Publication number: CN210293487U
Application number: CN201921664709.6U
Authority: CN
Inventors: 胡宇星
Original assignee: Shenzhen Mintai Electronic Co Ltd
Current assignee: Shenzhen Mintai Electronic Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-04-10
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses an electric motor car is temperature sensor and charging plug for charging plug relates to the temperature sensor field, has solved the problem that charging plug response sensitivity is low for the electric motor car among the prior art, and the technical essential is: the temperature sensor for the charging plug of the electric vehicle comprises a thermistor, and a needle type bare end is sleeved on the outer side of the thermistor; the charging plug comprises the thermistor, a needle point of the needle type bare end is fixedly connected with an L end, a P end or a PIN needle, and insulated wires on the thermistor are respectively connected into wires of the charging plug through welding joints; the utility model discloses a needle type bare end links together thermistor and the charging plug terminal that will establish ties together, has improved the heat conduction efficiency between thermistor and the charging plug terminal, for prior art, the utility model discloses the temperature is corresponding more sensitive.

Description

Temperature sensor for electric vehicle charging plug and charging plug

Technical Field

The utility model relates to a temperature sensor field especially relates to an electric motor car is temperature sensor and charging plug for charging plug.

Background

The thermistor is a negative temperature coefficient nonlinear resistor which is sensitive to temperature reaction and the resistance value of which can change along with the change of temperature, and is a semiconductor ceramic element which is manufactured by taking high-purity transition metal oxides, such as manganese, cobalt, nickel, iron and other metal oxides, as main materials and adopting a ceramic process. And the thermistor is used as a temperature measuring element of the temperature probe, and the intelligent control system is monitored and adjusted according to the measured temperature change condition. The temperature probe can be widely applied to the aspects of temperature measurement, intelligent control and the like.

A temperature probe that is used for new forms of energy electric motor car charging plug on the market can not with the fine laminating of charging plug's L and N end PIN needle to do not have two resistance series connection temperature probe as an organic whole, can not quick response to the temperature anomaly of plug in the charging process, fail safe nature is lower, and electric motor car among the prior art is used.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a temperature sensor and charging plug for electric motor car charging plug, including thermistor, thermistor's outside cover is equipped with the naked end of needle type to solve the problem that charging plug response sensitivity is low for the electric motor car among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an electric motor car temperature sensor for charging plug, includes thermistor, and thermistor's outside cover is equipped with the naked end of needle type.

As a further proposal of the utility model, the needle-shaped bare end and the thermistor are fixedly connected through epoxy resin.

As a further proposal of the utility model, the model of the thermistor is an NTC type thermistor.

As a further aspect of the present invention, the thermistor is provided with two, and the thermistor is connected in series through an insulated wire.

A charging plug comprises the temperature sensor for the charging plug of the electric vehicle, wherein a needle point of a needle type bare end is fixedly connected with an L end, a P end or a PIN needle, and insulated wires on a thermistor are respectively connected into wires of the charging plug through welding joints.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a needle type bare end links together thermistor and the charging plug terminal that will establish ties together, has improved the heat conduction efficiency between thermistor and the charging plug terminal, for prior art, the utility model discloses the temperature is corresponding more sensitive.

Drawings

Fig. 1 is a schematic structural diagram of a temperature sensor for an electric vehicle charging plug.

Fig. 2 is a schematic structural diagram of an electric vehicle charging plug.

Reference numerals: 1-needle type bare end, 2-thermistor, 3-epoxy resin, 4-insulated wire and 5-welding head.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1

As shown in fig. 1, a temperature sensor for an electric vehicle charging plug comprises a thermistor 2, and a needle-shaped bare end 1 is sleeved outside the thermistor 2;

the needle type bare end 1 and the thermistor 2 are fixedly connected through epoxy resin 3;

the thermistor 2 is an NTC type thermistor;

two thermistors 2 are arranged, and the thermistors 2 are connected in series through an insulated wire 4.

Example 2

The utility model provides an electric motor car is with charging plug, includes embodiment 1 the electric motor car is temperature sensor for charging plug, the needle point and L end, P end or PIN needle fixed connection of needle type bare end 1, the wire of charging plug is inserted respectively to the insulated wire 4 on the thermistor 2 through soldered connection 5.

To sum up, the utility model discloses a theory of operation is:

the outside cover of thermistor 2 is equipped with naked end of needle type 1, and naked end of needle type 1 is connected to the charger, on L end, P end or the PIN needle, has improved thermistor 2 and the naked end of needle type 1 contact, the improvement of response thermistor 2's response sensitivity, and two thermistor 2 establish ties and detect the temperature of L end, P end or the PIN needle on the charging plug respectively.

It should be noted that, the thermistor temperature measurement principle is the application of prior art in this application, and the terminal and the thermistor of connecting charging plug through the naked end of needle type are the innovation point of this application, and it has effectively solved the problem that charging plug response sensitivity is low for the electric motor car among the prior art.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric motor car temperature sensor for charging plug which characterized in that, includes thermistor (2), and the outside cover of thermistor (2) is equipped with naked end of needle type (1).

2. The temperature sensor for the charging plug of the electric vehicle as set forth in claim 1, wherein the needle-type bare terminal (1) and the thermistor (2) are fixedly connected by means of epoxy resin (3).

3. The temperature sensor for a charging plug of an electric vehicle as set forth in claim 1, wherein the thermistor (2) is an NTC type thermistor.

4. The temperature sensor for the charging plug of the electric vehicle as set forth in claim 2, wherein two thermistors (2) are provided, and the thermistors (2) are connected in series through an insulated wire (4).

5. A charging plug is characterized by comprising the temperature sensor for the charging plug of the electric vehicle as claimed in any one of claims 1 to 4, wherein the needle point of the needle-shaped bare end (1) is fixedly connected with an L end, a P end or a PIN needle, and the insulated wires (4) on the thermistor (2) are respectively connected with the wires of the charging plug through welding joints (5).